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Coating Product List

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Fluororesin coating 'ECK-033'

Fluororesin coating 'ECK-033'

Explanation of Yoshida SKT's modified fluororesin coating 'ECK-033'.

There are various types of resin for fluoropolymer coatings depending on the application environment. At Yoshida SKT, we specify materials and processing based on the product number. "ECK-033" is a type of modified fluoropolymer coating. It is characterized by excellent wear resistance and slip properties among fluoropolymer coatings. Modified fluoropolymer coatings form a coating film using engineering plastics or super engineering plastics combined with fluoropolymers. For more details, please download the materials or contact us.

  • Secondary Cells/Batteries

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Surface treatment case: Coating that solved the stringing issue of polyethylene hot welding.

Surface treatment case: Coating that solved the stringing issue of polyethylene hot welding.

CHC technology has succeeded in maintaining the non-stick properties of heat plates compared to conventional fluoropolymer coatings (PTFE coatings)!

■Customer Request We want to eliminate stringing that occurs on the heating plate during the thermal welding of polyethylene containers. We aim to reduce product defects caused by stringing without changing the takt time and to decrease the frequency of heating plate replacement. ■Conditions for Process Selection As a result of considering cost-effectiveness, we require a lifespan that is double that of the current coating. ■Achieved Effects By adopting CHC technology for the coating, we have successfully balanced release effect and lifespan. *You can download a PDF summarizing the product information. For more details, please contact us.

  • Resin mold

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Fluororesin coating minimizes deformation of the substrate during processing.

Fluororesin coating minimizes deformation of the substrate during processing.

The thin film fluoropolymer coating "10UNDER" is a revolutionary fluoropolymer coating that minimizes deformation of the substrate and can be processed.

■What is the "10under" Thin Film Fluoropolymer Coating? Conventional fluoropolymer coatings can be challenging to apply when dimensional stability of the substrate is a priority, particularly in terms of film thickness. Yoshida SKT has been working on development to meet these needs 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 - While being a thin film, it minimizes transparency *For more details, please download the materials or contact us.

  • Surface treatment contract service

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Surface treatment example: Precision non-stick coating applicable to polyester.

Surface treatment example: Precision non-stick coating applicable to polyester.

We would like to introduce a case where a highly precise non-stick coating suitable for processing with a jig made of polyester mesh has been adopted.

This is a case of surface treatment to prevent adhesive from sticking to the jig used in an automatic machine for laminating films. ■Consultation When laminating films with adhesive, a polyester mesh for screen printing is fixed to a metal frame and used as a positioning jig. The consultation was to solve the issue of adhesive that overflows from the film sticking to the polyester mesh, which contaminates the product's film. ■Conditions for Choosing Treatment The surface treatment requires low-temperature processability that can be applied to polyester and precision that does not crush the mesh openings. 【Issues to be Resolved】 - Non-adhesiveness to prevent adhesive from sticking - Precision that does not crush the mesh openings - Low-temperature processability ■Adopted Coating 'NanoProcess(R)' ■Achieved Effects We proposed 'NanoProcess,' which has high non-adhesiveness that prevents adhesive from sticking, including tape adhesive, and can be processed at low temperatures without affecting the polyester mesh. With the adoption of this surface treatment, products that pass quality inspection can now be produced, and it has been officially adopted. *For more details on NanoProcess, please download the PDF or contact us.

  • Surface treatment contract service

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Case study of mold release for molten metal: Surface treatment to solve film sticking and stringing issues.

Case study of mold release for molten metal: Surface treatment to solve film sticking and stringing issues.

Prevent film adhesion even with fluororesin coatings! Solve the issues of welded molds with fluororesin coatings that reduce contact area.

We would like to introduce a case study that resolved film adhesion issues that could not be solved with fluororesin coating on fusion molds. ■Consultation Details In the fusion process where a film is used to cover a container, the fusion mold is heated to over 100°C, causing the surface of the film to melt. Initially, fluororesin coating was applied to the mold to prevent film adhesion. ■Background of Selection Due to the material of the film and the melting temperature, film adhesion to the fusion mold was causing product defects. The mold has small holes for vacuuming the film, and there were limitations on options due to conditions such as not blocking these holes. ■Coating Adopted 'TP Coating' ■Adoption Background and Effects To meet the customer's usage conditions, we proposed a coating that has better release properties than the current coating and does not block the mold's holes, reducing the contact area. The customer adopted the "TP Coating," which has excellent release properties and does not affect vacuuming. *For more details, please refer to the materials or contact us directly.

  • Food Packaging Machinery

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What is foldability? An explanation of materials with excellent slip properties and low friction.

What is foldability? An explanation of materials with excellent slip properties and low friction.

[Presentation of Materials] An explanation of fluoropolymer PTFE, which is an excellent low-friction lubricant, and coatings that provide superior sliding properties.

■What is sliding property? Sliding property refers to the ease of sliding. To improve sliding property, materials with a low friction coefficient or lubricants are used. By reducing friction, a state of high sliding property and ease of sliding can be achieved. ■Materials with high low-friction properties A well-known material with low friction properties is fluoropolymer PTFE. PTFE is utilized as a material that enhances sliding property with a low friction coefficient, often described as having a slippery quality similar to ice. ■Methods to improve the sliding property of components 〇Fluoropolymer coating Fluoropolymer coating primarily forms a film of fluoropolymer on the surface of metals, achieving a low friction coefficient and a smooth, slippery surface. 〇Bicoat Bicoat is a coating that combines inorganic materials with high hardness and fluoropolymer, excelling in both sliding properties and wear resistance. 【Selected Coatings】 ■Sliding and low friction properties - Teflon(TM) fluoropolymer coating ■Sliding, wear resistance, and high hardness - Bicoat(R) *For more details, please refer to the PDF document or feel free to contact us.

  • Processing Contract

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What types of materials are used for molds? An introduction to surface treatments as well.

What types of materials are used for molds? An introduction to surface treatments as well.

We will introduce the main materials used for molds, as well as surface treatments and case studies that can solve molding troubles.

There are various types of materials used for molds, but generally, the following are common: - Tool Steel: A type of steel that excels in wear resistance, heat resistance, and strength, used for the main parts of molds and cutting edges. - Cold Work Tool Steel: Known for its high hardness and dimensional stability, used for small parts of molds and complex-shaped components. - Hot Work Tool Steel: Maintains strength and dimensional stability even at high temperatures, used for large mold components and parts used under high temperatures. - Aluminum Alloy: A lightweight and highly workable material used for molds in low-pressure casting and high-pressure casting. - Copper Alloy: Possesses high electrical and thermal conductivity, used for molds in plastic injection molding and die casting. - Ceramics: A material that excels in heat resistance and wear resistance, used for molds that operate at high temperatures and for precision molding. As such, various materials are used for molds depending on their applications. Choosing the appropriate material is essential, but selecting the right surface treatment is also important for the mold's lifespan and product quality. Do you have any concerns regarding surface treatment for molds? <Molding Equipment> - Mold damage - Mold dimensional accuracy - Coating peeling

  • Other molds

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Here are some terms related to molds.

Here are some terms related to molds.

We will introduce terms related to molds, as well as surface treatments and case studies that can solve molding troubles.

Terms related to molds include the following: [Mold-Related Terms] - Shot: The unit amount of molten resin injected from the injection port in injection molding. - Gate: The part within the mold where molten resin flows in during injection molding. - Ejector Pin: A pin that moves with the operation of the mold to remove the molded product from the mold. - Laminated Plate: An element that constitutes the mold, consisting of multiple stacked plates. - Drilling Process: One of the manufacturing processes for molds, involving creating holes in metal plates, etc. - Heat Treatment: A process of heating and rapidly cooling metal materials to extend the durability and lifespan of the mold. - Wear: Refers to the wear that occurs due to the use of the mold, which affects the mold's lifespan. - Casting Mold: A mold used in casting. - Design Drawing: A drawing created by the designer in the mold design process. - Assembly: The process of assembling the various components of the mold. - Mold Surface Treatment: A technique that can improve wear resistance or release properties on the surface of the mold. These are basic terms that people involved in mold manufacturing, operation, and maintenance should be familiar with. Below, we will introduce surface treatments.

  • Other molds

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What is mold biting? Introducing methods to prevent biting.

What is mold biting? Introducing methods to prevent biting.

[Presentation of Coating Materials] We will introduce "galling," which leads to a decline in the appearance quality and dimensional accuracy of molded products, resulting in a deterioration of product quality.

"Die biting" refers to the phenomenon where resin sticks to or gets caught in the mold, causing scratches or defects in the molded products. This can occur when resin adheres to the mold's gates or flash surfaces, or when the mold patterns do not transfer to the surface of the molded products. When die biting occurs, it can lead to a decline in the appearance quality and dimensional accuracy of the molded products, potentially worsening product quality. Additionally, it may necessitate repairs or maintenance of the mold, which can adversely affect productivity. **Methods to Prevent Die Biting:** Surface Treatment: Properly treating the surface of the mold makes it less likely for resin to stick to it. Improvement of Gate Design: By considering the flowability of the resin and the balance of forces during withdrawal, a gate design can be implemented that prevents die biting. Optimization of Molding Conditions: Optimizing molding conditions can make it less likely for resin to stick to the mold. For example, it is important to appropriately set molding conditions such as molding temperature, injection speed, injection pressure, and holding pressure. Mold Maintenance: Proper maintenance can prevent the occurrence of die biting. Effective measures include cleaning the surface, correcting gates and flash surfaces, and using air blow.

  • Other molds

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What is poor release type? Methods for improvement and ways to reduce the use of release agents.

What is poor release type? Methods for improvement and ways to reduce the use of release agents.

What is release failure during molding? We will introduce useful information for when you want to reduce product release applications and adhesion.

"Release failure" refers to the situation where materials do not easily separate from the mold during the molding or processing of products, leading to defects or damage. Such failures can reduce product quality and potentially increase costs. **Ways to Improve Release Failure** - **Use of Release Agents** By selecting the appropriate release agent and using the right amount, materials can be made to separate easily from the mold. - **Design Improvements** Improving the design of the mold can make it easier for materials to release from it. - **Material Changes** Choosing suitable materials, such as those with good release properties, can help improve release failure. - **Improvement of Molding Conditions** Enhancing molding conditions can lead to improvements in release failure. - **Regular Maintenance** Conducting regular maintenance on molds and machines can prevent troubles during molding. - **Utilization of Surface Treatments** Applying non-stick (release) surface treatments to molds can improve molding troubles, reduce the use of release agents, and decrease the frequency of mold maintenance. By appropriately combining these methods, improvements in release failure can be expected.

  • Processing Contract

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What is the semiconductor manufacturing process? An introduction to surface treatment that supports semiconductor manufacturing.

What is the semiconductor manufacturing process? An introduction to surface treatment that supports semiconductor manufacturing.

What is the semiconductor manufacturing process? This introduces the surface treatments used in semiconductor manufacturing equipment.

The semiconductor manufacturing process refers to a series of steps involved in designing, producing, and shipping semiconductor devices. Semiconductor devices are essential components used in various modern electronic devices such as computers, smartphones, automotive electronics, and LEDs. The semiconductor manufacturing process requires high purity and precision technology, and is often conducted in automated clean rooms. 1. Design → Photomask production Logic circuit design, layout design, photomask production 2. Front-end process (wafer processing) Procurement of silicon wafers → Cleaning → Film deposition → Photolithography → Ion implantation → Wiring → Inspection 3. Back-end process (assembly) Dicing → Die bonding → Wire bonding → Encapsulation → Solder ball mounting → Separation → Stamping → Inspection → Packaging and shipping In the semiconductor manufacturing process, especially in the front-end process, a high level of precision at the nano level is required, necessitating high purity and precision. Surface treatments, including fluororesin coating, support semiconductor manufacturing and play a significant role in semiconductor manufacturing equipment, an area in which Japan excels. Below, we will introduce surface treatments that are indispensable in semiconductor manufacturing.

  • Surface treatment contract service

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What are the methods to prevent mold eye discharge? Introducing improvement cases through surface treatment.

What are the methods to prevent mold eye discharge? Introducing improvement cases through surface treatment.

Preventing eye discharge that occurs during extrusion molding. Successfully stabilizing product quality through surface treatment of molds!

Mold release residue refers to foreign substances that adhere to the surface of molded products when forming thermoplastic materials such as resins and rubber. To prevent this residue, it is necessary to avoid material retention in the mold. When appropriate material selection and molding conditions cannot resolve the issue, adopting a surface treatment with excellent release properties is effective. Here are examples of improvements in mold release residue through surface treatment. ■ Concern We received an inquiry from a customer who was prototyping a new elastomer extrusion product. They wanted to resolve issues related to product stability due to adhesion in the extrusion mold. ■ Background for Coating Adoption Initially, the adhesion was so severe that it was impossible to form the product, but after adopting our surface treatment, we were able to prevent adhesion to a level that allowed for production. However, during continued mass production, it became apparent that defects due to residue adhesion occurred after about a month of use. ■ Selected Surface Treatment 'MRS Coating MRS-102' *For details on 'MRS-102', please download the PDF or contact us. The effects of the surface treatment are listed below.

  • Processing Contract

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[Presentation of Materials] A Comprehensive Guide to Fluororesin Coating from Basics to Applications in One Volume

[Presentation of Materials] A Comprehensive Guide to Fluororesin Coating from Basics to Applications in One Volume

Packed with content that connects theory to practice, this comprehensive 38-page book covers everything you need to know about fluororesin coating from the basics to advanced applications.

We are currently offering a textbook that allows you to learn the basics of "fluoropolymer coating" from our company, a specialist manufacturer of surface treatment and fluoropolymer coatings! This document, consisting of 38 pages, is packed with content that connects the fundamentals of fluoropolymers to their applications. With this single book, you can learn the basics of fluoropolymers, practical case studies, and tips for selecting coatings. [Contents (excerpt)] ■ What is fluoropolymer? ■ Explanation of the characteristics 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 If you are interested, please download the document from the link below and take a look.

  • Surface treatment contract service

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Fluororesin coating "Method of reprocessing"

Fluororesin coating "Method of reprocessing"

What is the method for reprocessing fluororesin coatings?

Fluororesin coating can experience wear and peeling depending on the application, environment, and conditions. In such cases, it is possible to strip the coating and reprocess it. Reprocessing places a greater burden on the substrate compared to the initial processing, so consultation according to the application is necessary. 【Overview of Processing Steps】 ■Receiving the Substrate ○ Inspection of the substrate is conducted. ■Preheating ○ The substrate is heated in a furnace to thermally decompose oils, dirt, and fluororesin. ■Surface Preparation ・Blasting ○ The processing surface is blasted to remove rust and dirt, and to create a moderately rough surface. ■Primer Coating ○ A primer that enhances adhesion between the substrate and fluororesin is applied. ■Baking ○ The primer is cured. ■Coating ・Powder Coating ○ Fluororesin powder is applied using a special coating machine. ・Enamel Coating ○ Fluororesin enamel is applied either by machine or manually. ■Baking ○ The fluororesin is heated and melted to form a coating. ■Inspection ○ After processing is complete, an inspection is conducted to ensure that the processing meets specifications and agreements. For inquiries regarding reprocessing, please contact Yoshida SKT.

  • Surface treatment contract service

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[Example] Surface treatment to prevent eye mucus in elastomer extrusion molding.

[Example] Surface treatment to prevent eye mucus in elastomer extrusion molding.

We will introduce examples of surface treatments to prevent eye discharge that occurs during the extrusion molding of elastomers.

An elastomer is a type of synthetic resin that possesses elasticity and can change shape, being a polymer compound that has both rubber and plastic properties. This time, we received a consultation regarding the inability to produce stable products due to the occurrence of eye mucus in the mold during the extrusion molding of elastomers. ■ Background for Coating Adoption - Without surface treatment, the elastomer adhered to the mold to the extent that almost no products could be manufactured. - By adopting our Bi-Coat, we were able to prevent adhesion to a level that allowed for production. - It was found that after about a month of mass production, defects due to the adhesion of eye mucus occurred. ■ Effects of Surface Treatment Adoption - After adopting our 'MRS-102' and starting tests, eye mucus did occur, but it did not adhere to the mold and could be easily removed, which helped suppress the occurrence of defects, allowing for continuous use for six months. *For details on the adopted 'MRS-102', please refer to the materials or contact us.

  • Processing Contract

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