吉田ＳＫＴ List of Products and Services

In the production field, equipment improvement is always required. ■Preventing line stoppages ■Reducing takt time ■Minimizing defects etc… Surface treatment for each process equipment is an effective measure for such countermeasures. While quick responses and identifying causes are important when problems arise, learning countermeasures in advance can prevent emergencies. We will introduce examples of improvements through surface treatment from our company, which specializes in functional coatings and other surface treatments. 【Contents of Improvement Case Collection】 ■Improving the transportation process ■Improving the cutting process ■Improving the molding process ■Improving the packaging process *For more details, please check the leaflet from "Download"!

• Other surface treatment equipment

We would like to introduce a case of surface treatment that prevents the sticking of fluorine rubber and improves product productivity. ■Problem In the process of punching and cutting fluorine rubber sheets, the sheets were fixed with a pressing plate to prevent them from shifting during punching. However, the rubber sheets would stick to the pressing plate, causing the sheets to shift, wrinkle, and resulting in trouble with maintaining their fixed position. ■Background The customer was using a coating with a textured surface from another company on the pressing plate, but it was not sufficiently preventing adhesion, and the issues with rubber sticking persisted, leading them to consult us. ■Adopted Coating Super Alloy Coating ■Adoption Process and Effects At Yoshida SKT, we prepared test pieces and had the customer try out the adhesion of the actual rubber sheets. By adopting the Super Alloy Coating, we were able to effectively prevent the sticking of the rubber, making positioning smoother and improving production efficiency. *For more details, please visit the official Yoshida SKT website or contact us.

• Other surface treatment equipment

When welding plastic, the plastic to be joined is melted using a heat welding plate to perform the welding. To achieve stable welding of plastic products, measures against stringing on the heat welding plate are essential. The CHC (Ceramic Hard Coat) technology can achieve both "non-stick properties" and "coating hardness at high temperatures" equivalent to conventional fluoropolymer coatings. The "release effect sustainability" of the heat welding plate helps improve the heat welding process. [Leaflet Adoption Case Content] - Achieving high-temperature release and long lifespan in the heat welding process of filter cases - Solving the "peeling" and "blistering" issues of fluoropolymer coatings on resin welding plates - The release effect from processing the heat fusion plate lasts three times longer than PTFE coatings *For more details, please refer to the leaflet that summarizes the product information and case studies.

• Resin mold

It is a surface treatment to obtain properties that prevent deterioration or alteration due to chemical substances (chemical resistance) and to protect against dirt by making it difficult for water to penetrate. Due to its structure, fluoropolymer has excellent chemical resistance to most acids, alkalis, and organic solvents, and it is also a material with extremely low water absorption. Therefore, fluoropolymer coatings are suitable for protecting substrates from corrosion caused by chemicals in an all-around manner. 【Selected Surface Treatments (Partial)】 ■ Chemical Resistance ・ Fluoropolymer Coating (Teflon Coating) ・ MY Lining(R) *For more details, please refer to the PDF materials or feel free to contact us.

• Processing Contract

We are distributing a textbook on "Fluororesin Coating" from our company, a specialized manufacturer of surface treatment and fluororesin coatings! This document, consisting of 38 pages, is packed with content that connects the basics of fluororesins to their applications. With this single book, you can learn the fundamentals of fluororesins, practical case studies, and tips for selecting coatings. If you are interested, please download the document and take a look.

• Surface treatment contract service

CHC (Ceramic Hard Coat) is a new type of coating technology that achieves both non-stick properties equivalent to conventional fluoropolymer coatings and high film hardness at elevated temperatures. ■ Examples of Surface Treatment Applications - A case where high-temperature release and long-term durability were achieved in the thermal welding process of filter cases. - A case where the release effect from processing thermal welding plates lasted three times longer than PTFE coatings. - A case that resolved the "peeling" and "blistering" issues of fluorine coatings on resin welding plates. - A case that eliminated adhesive adhesion and peeling at high temperatures, which could not be resolved with PTFE coatings. *You can download a PDF summarizing detailed case studies and product information. Please contact us for more information.

• Resin mold

■What is a release agent? In the industrial field, a release agent is known as a substance applied to improve the separation of molded products from molds. In a broader sense, substances like the flour used to prevent soba noodles from sticking during preparation can also be referred to as release agents. ■Silicone (Silicon) Release Agents Release agents used for molds include silicone and fluorine, depending on the material and conditions. In addition to facilitating mold release, release agents must also have properties that make them resistant to degradation from heat during molding and minimize contamination of the mold. Silicone has high heat resistance and is less likely to degrade with repeated heating during molding. Additionally, due to its low surface tension, it has good wettability on molds, allowing it to reach every corner of the shape, which is one reason it is commonly used as a release agent. ■Release Agents and Coatings In addition to release agents, coatings can also provide release effects. While release agents are an easy means of achieving mold release, they can impose burdens on the working environment, complicate mold cleaning, and lead to variations in the amount applied by workers, potentially negatively affecting the final product. In such cases, release coatings may offer solutions to these challenges. ▼For more details, please see here.

• Injection Molding Machine

The "Nano Process HP Series" excels in hydrophilicity and contributes to anti-fogging, anti-soiling, moisture resistance, and rust prevention through its thin film surface treatment. It causes almost no dimensional changes and maintains optical properties, making it possible to process "precision parts" and in fields that require "high dimensional and surface accuracy," where coating has been difficult until now. <Application Examples> - Anti-soiling for parts and equipment - Improvement of water retention by hydrophilization of water supply rollers - Anti-fogging properties through hydrophilization of glass - Condensation prevention, etc. Additionally, the Nano Process has been renewed with three other new functions, each with different features and applications. <Features of Each Series> ■ TC-10S Excellent precision, visible light transmittance, water repellency, and oil repellency ■ TLS Series Superior non-stick properties similar to adhesive tape ■ NCFPC Series Excellent liquid runoff properties for water and oil Currently, we are offering technical materials summarizing the details of each series. If you are interested in more details or are facing challenges with surface treatment in precision fields, please download the materials or contact us directly.

• Other semiconductors

Rechargeable batteries that can be charged and discharged have become an indispensable part of our lives due to the proliferation of EVs and smartphones. In the production sites of rechargeable batteries, improving productivity and reducing costs have become significant challenges. We would like to introduce a surface treatment that enables increased productivity in the production of rechargeable batteries. [Case Details] - Solved the "peeling" and "blistering" issues of fluorine coating on resin product welding plates. - The release effect from processing thermal fusion plates lasts three times longer than PTFE coating. *For more details, please refer to the leaflet that summarizes the product information and case studies.

• Resin mold

We would like to introduce a case of non-stick coating for aluminum vapor-deposited film sealing machines. ■Problem You were troubled by the issue of resin that overflowed from the film sticking to the sealer during thermal sealing. ■Background Initially, you were using a PTFE fluoropolymer coating, but the sealer surface was knurled, causing the coating to wear off and adhesion to occur within about two months. This resulted in production losses due to the need to stop the machine and replace the sealer. ■Adopted Treatment FSR Coating (using CHC technology) ■Effect of Surface Treatment The 'HR-1372AP' was adopted, which exhibits non-stick properties equivalent to fluoropolymer coatings at high temperatures above 200°C, and has high thermal hardness, resolving the wear issue. You can now use it for more than twice the previous duration. *For more details on the surface treatment, please refer to the materials or feel free to contact us.

• Resin mold

Do you think that all the fluoropolymer coatings listed in the drawings are the same? Just as production sites vary greatly, there are various types of fluoropolymer coatings tailored to different requirements. When the need arises for surface treatment or fluoropolymer coatings, having basic knowledge and examples can help you make better choices. In this document, we have systematically compiled insights on fluoropolymer coatings that we believe will be beneficial to all end users. It is a resource that can be referenced by both veterans and those who are new to production. A comprehensive collection of 38 pages! Don’t miss out, please download it. [Contents (excerpt)] ■ What is fluoropolymer? ■ Explanation of the properties of fluoropolymers ■ What is fluoropolymer coating? ■ Processing methods for fluoropolymer coatings ■ Tips for selecting fluoropolymer coatings ■ Suitable substrates for fluoropolymer coatings ■ Case studies of fluoropolymer coatings

• Surface treatment contract service

It is a surface treatment to obtain properties that prevent deterioration or alteration caused by chemical substances (chemical resistance) and functions that protect against dirt by making it difficult for water to penetrate. Fluororesin, due to its structure, has extremely excellent chemical resistance against most acids, alkalis, and organic solvents, and it is also a material with very low water absorption. Therefore, fluororesin coatings are suitable for protecting substrates from corrosion caused by chemicals in an all-around manner. 【Selected Coatings (Partial)】 - Chemical resistance and heat resistance - Fluororesin coating (Teflon coating) - MY lining (R) *For more details, please refer to the PDF document or feel free to contact us.

• Processing Contract

■Reasons why fluoropolymer (PTFE) excels in heat and cold resistance The molecular structure of PTFE consists of carbon-carbon (C-C) bonds surrounded completely by fluorine atoms (F). The breaking of C-C bonds or C-F bonds at high temperatures is one aspect of "PTFE degradation." The C-C bonds are less likely to break because they are protected by the fluorine atoms (F). The bond strength of C-F bonds within PTFE molecules is significantly greater than that of bonds between other atoms. Additionally, the high bond energy of C-F bonds is another reason for its excellent heat and cold resistance. ■Applications utilizing the heat and cold resistance of fluoropolymers In the case of fluoropolymer coatings, for example, baking molds utilize the non-stick properties provided by the coating to prevent baked goods from sticking to the mold. Furthermore, since it also possesses heat resistance, it can be safely used in applications such as baking in an oven. Additionally, in household irons, the heat plate is coated with fluoropolymer to take advantage of its smoothness and heat-resistant properties. For more details, please click the link or contact us.

• Resin mold

Fluororesin is known for its excellent sliding properties. We will explain in detail the secret behind its ability to reduce friction resistance and improve sliding performance. ■Contents of the document 1. What is friction? 2. Measures to reduce friction 3. What is the low friction property of fluororesin (PTFE)? 4. Reasons why fluororesin (PTFE) excels in low friction properties 4-1. Smoothness of the PTFE molecular surface 4-2. Strength of interatomic bonds 4-3. Lamellar structure and the deposition of PTFE 5. What can be achieved by utilizing the low friction properties of fluororesin For more details, please refer to the PDF document or feel free to contact us.

• Surface treatment contract service

The "MRS Coating" (Mold Release Silicone) is a non-stick, release agent coating that possesses characteristics not found in conventional silicone coatings. In particular, MRS-014 is a thin film with a hardness of 9H, making it hard and excellent in non-stick and release properties. "MRS-014" - Non-stick (release) + Film hardness (9H) It is used to prevent sticking in cutting blades of automatic packaging machines, achieving improved production efficiency and reduced defect rates. [Other Series Features] - Non-stick (release) + Solvent resistance → MRS-102 - Non-stick (release) + Heat resistance (300°C) → MRS-004 - Non-stick (release) + Slipperiness → MRS-003 - Non-stick (release) + Low-temperature processability → MRS-200 Each series has various features, but the standard MRS coating has a smooth surface that makes it easy to wipe off dirt. Additionally, there are grades that show little change in release properties even when cleaned with solvents. *Based on our tests For more details, please download the PDF or contact us.

• Surface treatment contract service

We are offering "The Textbook of Fluoropolymer Coatings," which allows you to learn about fluoropolymers from the basics, from our company, a specialized manufacturer of fluoropolymer coatings! This coating is utilized in various scenarios within the manufacturing industry, and we provide a clear explanation of fundamental topics such as material properties, processing methods, and selection criteria. With this one book, you can learn everything from the basics to applications of fluoropolymers. If you are interested, please feel free to download it. [Contents (excerpt)] ■ What are fluoropolymers? ■ Explanation of the properties of fluoropolymers ■ What are fluoropolymer coatings? ■ Processing methods for fluoropolymer coatings ■ Tips for selecting fluoropolymer coatings ■ Suitable substrates for fluoropolymer coatings ■ Case studies of fluoropolymer coatings

• Surface treatment contract service

The purpose of surface treatment for molding dies is as follows: ■ Improvement of Wear Resistance Molding dies experience wear due to friction with materials such as resin and metal during the molding process. If the surface of the die becomes rough due to wear, it can affect the finish of the molded products and shorten the lifespan of the die. ■ Improvement of Corrosion Resistance Molding dies may be subject to corrosion depending on the usage environment. If the die deteriorates due to corrosion, it can affect the finish of the molded products and shorten the lifespan of the die. ■ Improvement of Release Properties Molded products need to be removed from the die after molding. Poor release properties can cause the molded products to stick to the die, making them difficult to remove, or can damage the surface of the die. Surface treatment of molding dies must be selected appropriately according to the type of die and usage conditions. Bicoat, which excels in wear resistance, corrosion resistance, and is expected to improve release properties, is recommended. Bicoat offers many types tailored to specific purposes. For more details, please visit the official Yoshida SKT website or contact us.

• Other surface treatment equipment

"Bycoat Exceed" enhances the basic performance of "Bycoat" with improved non-stick properties, corrosion resistance, and heat resistance. It provides reliable release properties and durability even in molds that use strongly adhesive resins. Additionally, like the conventional Bycoat, it offers excellent dimensional accuracy, making it suitable for areas that require micron-level precision. 【Bycoat Exceed Series Composition】 - Bycoat Exceed CR↑ (Upgrade) A grade that enhances the corrosion resistance of Bycoat's high hardness, long lifespan, and dimensional stability. *NYK-2000E particularly excels in release properties from adhesive materials. - Bycoat Exceed HR↑ (Upgrade) A grade that enhances the heat resistance of Bycoat's high hardness, long lifespan, and dimensional stability. *For more details, please refer to the PDF document or feel free to contact us.

• Other surface treatment equipment

We would like to introduce a case of surface treatment for device components that apply resist liquid to precision substrates. ■Consultation In the process of applying resist liquid to a thin film-like substrate, there was a consultation regarding the resist liquid adhering to the suction fixture during the application process to the precision substrate. ■Concern In the process of applying resist liquid to a thin film-like substrate, a problem arose where the resist liquid adhered to the suction fixture, causing it to stick to the next substrate being transported. The adhesion of resist liquid to the substrate leads to product defects, necessitating an increase in the cleaning frequency of the transport fixture, which hindered productivity. ■Request To solve the problem, we initially tried prototyping with Teflon™ coating, but the slight surface irregularities of the coating transferred as patterns onto the thin substrate, resulting in product defects. A surface treatment that balances precision and prevents the adhesion of resist liquid was necessary for problem resolution. 【Issues to be resolved】 - Adhesion of resist liquid - Cleaning time - Variability in coating thickness ■Adopted Coating 'NanoProcess® TC-10' *For detailed solutions, please download the PDF or contact us.

• Surface treatment contract service

■What are the characteristics of fluoropolymer resins? Fluoropolymer resins have unique characteristics compared to other resins. - Non-stick property A characteristic that makes it difficult for things to stick. - Low friction (slipperiness) A characteristic that has low friction resistance and is easy to slide. - Water and oil repellency A characteristic that repels water and oil. - Chemical resistance A characteristic that does not get affected or dissolve in chemicals. - Heat and cold resistance A characteristic that withstands high and low temperatures. - Electrical insulation A characteristic that insulates electricity. - Weather resistance A characteristic that is less affected by ultraviolet rays. - Purity A characteristic that is chemically inert. In "The Textbook of Fluoropolymer Coatings," we will explain in detail why it possesses such a diverse range of characteristics. [Contents (excerpt)] ■What is fluoropolymer? ■Explanation of the characteristics of fluoropolymer ■Processing methods for fluoropolymer coatings ■Tips for selecting fluoropolymer coatings ■Suitable substrates for fluoropolymer coatings ■Case studies of fluoropolymer coatings If you are interested, please download the materials from the link below.

• Surface treatment contract service

Rubber is an essential material in our daily lives. It is used in various situations, not only in household goods but also in automotive parts, PC components, the chemical industry, and the medical field. Unlike resins and metals, rubber has elasticity. Additionally, it excels in waterproofing, cushioning, vibration absorption, and tackiness, making it beneficial for applications such as tires, sealing materials, rubber gloves, rubber hoses, roofing materials, and soundproofing materials. On the other hand, rubber has its disadvantages, such as dissolving in solvents, hardening due to ultraviolet rays or aging, and having a surface that can be slippery. Surface treatment of rubber can help improve these disadvantages. For example, by applying surface treatment to non-slip rubber, it can become easier to handle, facilitating installation and preventing sticking, thus enhancing convenience. It can also be protected from dissolving in certain solvents. Surface treatment of rubber requires confirmation of various conditions. For more details, please download the PDF or contact us.

• Other surface treatment equipment

The excellent heat resistance, hardness, far-infrared effect, and radiation resistance inherent in ceramics are enhanced by adding the non-stick and slip properties of super engineering plastics (such as fluoropolymers and PBI). We achieve surface treatments that effectively bring out the desired characteristics according to the application. *For more details, please refer to the PDF document or feel free to contact us.

• Other machine elements

I will explain in detail the electrical properties of fluororesin. ■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□ INDEX What are the electrical properties of resin? What is the flow of electricity? Differences between conductors and insulators and fluororesin What are the electrical properties of fluororesin (PTFE) due to its molecular structure? 　Electrical properties of fluororesin (1) Insulation 　Electrical properties of fluororesin (2) Dielectric constant and relative permittivity 　Electrical properties of fluororesin (3) Dielectric loss tangent Fluororesin and charging Antistatic properties of fluororesin ■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□■□ *For more details, please visit the official website via the link below or feel free to contact us.

• Processing Contract

We would like to introduce a case where we solved the sticking trouble of the melt film that could not be resolved with fluororesin coating. ■ Background of the Consultation The consultation was regarding a tray sealer that covers plastic trays with film. In the thermal fusion process of sealing film onto plastic containers, the heating plate is heated to over 100°C, causing the surface of the film to melt. Initially, the heating plate was coated with fluororesin to prevent the film from sticking. ■ Background of Coating Selection The material of the film and the temperature at which it melts were causing product defects due to sticking to the heating plate. Additionally, small holes were drilled in the heating plate for vacuuming the film, which limited the options for coating. ■ Coating Adopted "TP Coating" ■ Adoption Background and Effects To accommodate many conditions, we proposed a release-type coating that excels in release properties compared to the current coating and does not hinder vacuuming, while also reducing contact area. The "TP Coating," which has good release properties and does not affect vacuuming, was adopted. *For more details, please refer to the materials or contact us directly.

• Food Packaging Machinery

Types and characteristics of fluoropolymer resins, differences in functions and features in coatings, and other content that you may be hesitant to ask about are explained in detail. In addition to basic information, we also introduce practical tips for selection, suitable substrates for coatings, and case studies, all in a total of 38 pages. If you are interested, please feel free to download the materials. 【Contents (excerpt)】 ■ What are fluoropolymer resins ■ Explanation of the characteristics of fluoropolymer resins ■ Processing methods for fluoropolymer coatings ■ Tips for selecting fluoropolymer coatings ■ Suitable substrates for fluoropolymer coatings ■ Case studies of fluoropolymer coatings

• Surface treatment contract service

■Concern In the heat plate welding of polypropylene sanitary products, thread pulling is likely to occur, making a non-stick (release) coating on the heat plate essential. The customer was using a PFA coating, but it deteriorated quickly, requiring the heat plate to be replaced in about a week. ■Background In this case, where repeated contact/release with components occurs at high temperatures, the effectiveness of the coating diminished rapidly. Replacing the heat plate and reprocessing the coating requires adjustments to the equipment and preparation of spare parts. A coating that excels in non-stick properties and lasts longer in high-temperature environments was needed. ■Adopted Coating FSR (Fluoro Super Release) HR-372AP ■Adoption Process and Effects Yoshida SKT prepared several samples, including the "FSR coating," which was developed with the concept of excellent release properties at high temperatures. Before the actual machine test, we confirmed the release properties of these samples at our company, and it was decided to conduct a practical test with the "FSR coating," which has a proven track record in high-temperature environments. The release effect lasted over five times longer compared to the previous PFA coating. The lifespan of the coating was excellent, and it was adopted.

• Surface treatment contract service

■Concern The paper used for packaging liquids such as milk cartons is laminated with resin such as polyethylene on its surface. The adhesive used for the lamination process was causing issues by oozing out from the processed paper and sticking to the transport chute, leading to foreign substances adhering to the product (processed paper) and resulting in product defects. ■Background The customer we consulted was using an overseas-made device, which had surface treatment on the transport section since its introduction. Upon inspection, it was found that a fluororesin coating had been applied, but adhesive residue that oozed out from the paper was sticking and hardening, worsening the product's slip characteristics, necessitating frequent cleaning. ■Adopted Coating 'Super TP Hemispherical Graphic HL' ■Effects of Adoption The reduction in contact area of the 'Super TP Coating' and the excellent slip properties of the fluororesin successfully prevented the adhesion of adhesive residue. The smooth convex surface allowed for smooth transport without scratching the laminated paper. As a result, the need for regular cleaning has been eliminated, achieving both a reduction in product defects and an increase in production efficiency.

• Surface treatment contract service

■What is the Thin Film Fluoropolymer Coating "10under"? Fluoropolymer coatings may be requested in a thin film form when dimensional stability of the substrate is a priority. In the case of standard fluoropolymer coatings, a thickness of at least 20-50μm has been required to maintain appearance and performance. Yoshida SKT has worked on development to meet these requests and has announced the "Thin Film Fluoropolymer Coating '10under'." ■Features of 10under - Non-stick properties equivalent to standard fluoropolymer coatings - Capable of thin film processing of approximately 10μm, reducing dimensional changes - Suppresses transparency despite being a thin film *For more details, please download the materials or contact us.*

• Surface treatment contract service

Plastic is lightweight and easy to mold, making it suitable for various parts. On the other hand, unlike metals, it is weak against heat, and processing methods involving heating are limited. The characteristics that appear on the surface of plastic vary depending on the type of material, so to change these characteristics, it is necessary to change the material. If you want to change only the surface characteristics while keeping the material the same, surface treatment for plastic can be helpful. For example, when making chuck jaws from plastic material to reduce weight, the surface may be slippery, and you may want to enhance grip. You may also want to give the surface of plastic material conveyor rollers a property that makes them less likely to stick. Surface treatment can address such requests. Surface treatment can improve functionality by making the plastic surface less slippery or creating a surface that is less likely to stick. Surface treatment for plastic requires confirmation of various conditions. For more details, please download the PDF or contact us.

• Other surface treatment equipment

CHC (Ceramic Hard Coat) is a new type of fluoropolymer coating that combines the non-stick properties of conventional fluoropolymer coatings with high film hardness at elevated temperatures. ■Features - Non-stick properties equivalent to PTFE and PFA - High film hardness at temperatures above 200°C (compared to PTFE) *Based on internal testing ■Applications - Resin welding plates - Resin molding molds - Heater plates - Heat sealers *For product details, please see the link below.

• Resin mold

"Fluororesin coating (Teflon coating)" is a surface treatment that imparts various properties of fluororesin to the surface of materials, achieving prevention of sticking and adhesion, reduction of friction, and protection of the materials. It exhibits excellent release properties even against strongly adhesive substances and is rarely affected by or corroded by chemicals such as acids and alkalis. The Teflon coating on household frying pans is an example of a fluororesin coating that utilizes the non-stick and heat-resistant characteristics of Teflon fluororesin to make it difficult for food to stick to the frying pan. 【Features and Effects】 ■ Non-stick: Excellent release properties even against strongly adhesive substances ■ Water and oil repellency: Effectively repels water and oil on the surface ■ Heat and cold resistance: Withstands high temperatures (up to 260°C) and low temperatures (down to -250°C) ■ Low friction: Has a low coefficient of friction, making it slippery ■ Chemical resistance: Rarely affected by or corroded by chemicals such as acids and alkalis ■ Electrical properties: High dielectric strength (resistance to dielectric breakdown), volume resistivity, and surface resistivity *For more details, please refer to the related links or feel free to contact us.

• Coating Agent

BICOAT is a composite organic coating system that combines high-hardness inorganic materials such as metals, ceramics, and chemical coatings with organic materials that have excellent properties for lubrication, release, corrosion resistance, and insulation, such as fluororesins, siloxane resins, and super engineering plastics. It can be used in areas requiring micron-level dimensional precision and offers various functional coatings tailored to meet needs, featuring functions such as very hard lubrication. ● Long lifespan ● Surface is very hard and resistant to scratches ● High dimensional accuracy ● Excellent non-stick properties ● Excellent pressure resistance *For more details, please refer to the catalog or contact us directly.

• Surface treatment contract service

■Consultation This was a consultation regarding the process of thermally welding filter cases to products. We create products by thermally welding polypropylene containers and lids, but PP resin tends to cause stringing and adhesion to the heating plates, which negatively impacts the product's airtightness, aesthetics, and production efficiency. Therefore, it was necessary for the thermal welding plates to have release properties, heat resistance, and durability. ■Background for Coating Selection We proposed fluororesin coatings and reduced contact area fluorine coatings during prototyping. Since the operating pressure is relatively low, the release properties improved, making stringing and adhesion less likely, allowing for relatively long service life. ■History and Effects of Coating To achieve even longer service life, we proposed "CHC-1311," which balances heat hardness and reduced contact area. After practical testing, it was adopted, resulting in reduced metal exposure due to wear, allowing for extended use. If you are having trouble with thermal welding jigs, please consult Yoshida SKT.

• Resin mold

We will introduce a case where the ultra-thin film fluorine coating "Nano Process TC-10S" achieved liquid drainage of the resist and improved product defects. ■Challenge Points - When applying resist liquid to a film-like substrate, the resist liquid adheres to the suction jig, causing the jig's resist liquid to stick to the next transport substrate. - Adhesion of resist liquid to the substrate causes product defects. - To prevent resist adhesion, the frequency of jig cleaning has increased. - With Teflon coating, the surface irregularities are transferred as patterns onto thin substrates, leading to product defects. ■Solution Points - The thin film fluorine coating with a thickness of less than 1μm does not transfer surface irregularities to the substrate. - The release properties of the resist liquid are good, reducing the risk of liquid adhesion to the substrate. - Reduction in cleaning time for suction jigs. - Decrease in product defects. ■Features of TC-10S - It maintains optical properties with almost no dimensional changes. - It enables processing in fields that require "precision parts" and "high dimensional and surface accuracy," which were difficult to process with previous fluororesin coatings. *For details on the case and surface treatment, please refer to the PDF document or feel free to contact us.

• Other Auto Parts

■Coating Technology Suitable for Blades When it comes to coating blades, a technology that imparts coating functionality while maintaining the sharpness of the blade is necessary. Mold release silicone (coating) demonstrates excellent release properties against sticky substances and adhesive tapes, achieving top-level solvent resistance, film hardness, and heat resistance. In the cutting process of labels and tapes, it reduces the occurrence of sticking when cutting adhesive materials, and many customers have adopted it for their blades. Coating technology suitable for blades enhances the efficiency and productivity of cutting operations while also improving maintainability. The effects last a long time. <Points for Choosing This Product> - Reduces sticking when cutting adhesive materials - Expected to improve productivity in cutting processes - Release effect remains strong even with solvents and lasts long *Effects may vary depending on the product. *For more details, please download the materials or feel free to contact us.

• Surface treatment contract service

CHC (Ceramic Hard Coat) is a new type of fluoropolymer coating that achieves both non-stick properties equivalent to standard fluoropolymer coatings and high film hardness at elevated temperatures. ■ Examples of Surface Treatment Applications - A case where high-temperature release and long-term durability were achieved in the thermal welding process of filter cases. - A case where the release effect from processing on thermal welding plates lasted three times longer than PTFE coatings. - A case that resolved the "peeling" and "blistering" issues of fluoropolymer coatings on resin welding plates. - A case that eliminated adhesive adhesion and peeling at high temperatures, which could not be resolved with PTFE coatings. *You can download a PDF summarizing detailed case studies and product information. For more details, please contact us.

• Resin mold

■Development Background of Thin Film Fluororesin Coating "10under" Fluororesin coatings are sometimes requested to be processed in thin films of around 10μm when dimensional stability of the substrate is a priority. However, in the case of standard fluororesin coatings, a thickness of at least 20-50μm has been required to maintain good appearance and performance. Even so, when requests for thin film processing arise, we sometimes propose a "modified type" of fluororesin coating with a different coating structure. However, there were challenges with the modified type not being able to deliver the necessary functions. Yoshida SKT has worked on development to solve these challenges, resulting in the creation of the "Thin Film Fluororesin Coating '10under.'" ■Features of 10under - Non-stick properties equivalent to standard fluororesin coatings - Capable of processing thin films of around 10μm, reducing dimensional changes - While being a thin film, it suppresses transparency *For more details, please download the materials or contact us.*

• Surface treatment contract service

Solving the challenges of fluoropolymer coatings! Conventional fluoropolymer coatings required a thickness of 20-50μm to maintain good appearance and performance. However, the thick film affected the dimensional stability of the substrate. With its unique technology, 10under has achieved processing with a thin film of about 10μm. ■Features Processable with a film thickness of less than half of conventional coatings! (10μm) Reduces dimensional changes Suppresses transparency even with a thin film, achieving a beautiful appearance Available in two types: PFA and FEP, in two colors: black and green *For more details, please download the materials or contact us.

• Surface treatment contract service

Here, we will introduce the measurement inspection of Teflon coating thickness. When you consult about Teflon coating, if a thickness is agreed upon during the meeting, we will conduct a thickness measurement inspection during the post-processing inspection process to confirm whether the thickness has been processed according to the meeting or the order form. ■ Unit of Thickness In coating thickness measurement, the unit commonly used is "μm (micrometers)" = one-thousandth of a millimeter. ■ Specifications of Thickness The thickness varies depending on the specifications and applications. For fluororesin coatings, it is often around 20-50μm for general purposes and more than 300μm for corrosion-resistant applications. ■ Measurement Method In thickness measurement inspections, a thickness gauge is primarily used for confirmation. This method is a non-destructive type of inspection that does not damage the coating. The thickness gauge typically measures the thickness of the coating by pressing a probe, known as a "probe," vertically against the surface of the coating processed on the metal substrate. *For more details about the thickness measurement inspection, please visit our website via the link or contact us.

• Surface treatment contract service

This is an introduction to one of the inspection processes for Teflon coating, the visual inspection. 【Three Points of Visual Inspection】 ■ Coating Processing Range We visually confirm whether the coating film after processing is in accordance with the discussed matters and your order by referring to the drawings and individual specifications. We mainly check the processing range of the coating and, if there are any masking specifications, we confirm the designated areas and ranges. ■ Confirmation of Specified Coating Materials We verify whether the processing specifications are in accordance with the discussed matters and the order form. This mainly involves checking the color tone of the coating and processing records. ■ Confirmation of Coating Film Quality We check the quality of the coating film. The method primarily involves visual inspection and touch. Depending on the size of any abnormalities, tools such as magnifying glasses are used to ensure that there are no defects in the coating film (such as cracks, foreign matter adhesion, blisters, peeling, or damage) across the entire surface of the film. *For more details on visual inspection, please visit our website via the link or contact us.*

• Surface treatment contract service

This comparison table summarizes the characteristics of representative fluoropolymers and their maximum operating temperatures (heat resistance). 【Comparison of Types of Fluoropolymers and Heat Resistance】 　Name　　 Maximum Operating Temperature (Heat Resistance) 　PTFE　　 260℃ 　FEP　　　 200℃ 　PFA　　　 260℃ 　ETFE　　 150℃ 　ECTFE　　 150℃ 　PCTFE　　 120℃ 　PVdF　　 150℃ 【Selection of Fluoropolymers】 　Highest heat resistance (260℃): PTFE, PFA 　Slightly lower heat resistance (below 200℃): FEP, ETFE, ECTFE, PCTFE, PVdF 　Balance of chemical resistance and non-stick properties is important: selection according to application is necessary ▶ For details on each fluoropolymer, please download and check the "Fluoropolymer/Super Engineering Plastic Properties Summary Table."

• Resin mold

This is a high-strength material coated with fluororesin on glass cloth or aramid cloth. It is a conveyor belt that can be installed on various transport equipment and dryers, enabling smooth transportation. The sheet is durable and has excellent heat resistance, treated with fluororesin. It has good slip properties and significantly reduces wandering, allowing the belt to last longer without damage. Additionally, it is more heat-resistant compared to metal belts and can be used in high-frequency heat sources. *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials

"Bycoat Exceed HR↑" achieves improved non-stick properties, slip resistance, and heat resistance without the use of PFAS. It provides reliable release properties and durability even with molds that use strong adhesive resins. Additionally, like conventional Bycoat, it offers excellent dimensional accuracy, making it suitable for areas that require micron-level precision. 【Features of Bycoat Exceed HR↑】 - High hardness, long lifespan, dimensional stability of Bycoat × enhanced heat resistance grade *For more details, please refer to the PDF document or feel free to contact us. For coatings considering PFAS regulations, please contact our company.

• Other surface treatment equipment

■What is Blast Treatment? Blast treatment is a surface treatment method that involves spraying blast materials (various types of abrasives) onto the surface of a product using compressed air, to remove rust and dirt from the substrate surface. ■Surface Preparation for Coating Surface preparation by blasting not only cleans the surface but also increases the surface area through roughening, which enhances the anchoring effect and significantly improves adhesion during coating processes. Therefore, it is suitable for preparing surfaces for many coatings and is commonly used in pre-treatment. Additionally, blasting can improve the wettability of paints, making it optimal for surface preparation for painting as well. To fully realize the performance of coatings, surface preparation is a crucial step. At Yoshida SKT, we select blast materials and treatment methods suitable for coatings and substrates, and we process Teflon coatings and fluororesin coatings. *For more details, please click the link below or feel free to contact us.

• Surface treatment contract service

When applying non-stick coatings to molds and jigs, there are applications that cannot be used due to wear or film peeling. For example, molds subjected to strong pressure and "heat sealers" in packaging machines that come into contact with metal are among them. 'Bicoat' is a coating system that achieves the ideal functions of non-stick and wear resistance by combining inorganic and organic surface treatment technologies. ◆ It offers reliable non-stick and release properties, as well as high hardness and excellent dimensional accuracy. ◆ It is also suitable for coating areas that require micron-level dimensional precision. 【Features】 ■ Incredible durability ■ High hardness and scratch resistance ■ Excellent wear resistance ■ Superior non-stick and release properties ■ Safe for use in molds requiring micron-level dimensional precision *For more details, please refer to the PDF document or feel free to contact us.

• Other surface treatment equipment