Fluorine resin coating×吉田ＳＫＴ - List of Manufacturers, Suppliers, Companies and Products

Fluororesin coating "Types suitable for applications"

What types of fluororesins are suitable for applications such as non-adhesiveness, slip properties, and corrosion resistance? It is necessary to consider the characteristics and properties of the resin, as well as the selection of processing methods.

**Representative Types** ■ PTFE (Polytetrafluoroethylene) It has the highest continuous use temperature of 260°C and excels in non-stick and low friction properties. ■ PFA (Perfluoroalkoxyalkane Polymer) It has a low melt viscosity and can achieve a continuous coating with fewer pinholes than PTFE. It is the best-performing fluororesin for high-temperature corrosion resistance. ■ FEP (Perfluoroethylene Propylene Copolymer) An improved resin of PTFE, it has a lower continuous use temperature than PTFE but can achieve a smooth coating with fewer pinholes through sintering. ■ ETFE (Ethylene-Tetrafluoroethylene Copolymer) Due to its excellent mechanical properties, it is highly resistant to wear and is often used for anti-corrosion applications. ■ Modified Types ◎ High-temperature modified type ◎ Low-temperature modified type **Representative Processing Methods** ○ The enamel of fluororesin is applied using a painting machine or manually. ○ Fluororesin powder is applied using electrostatic or special painting machines. Coating processing is easily adaptable to complex shapes and is used in numerous industries. *For more details, please download the PDF and take a look.*

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Fluororesin Coating: "What is the relationship between non-stick properties and water repellency?"

[Function Explanation] Understanding the mechanism of adhesion reveals the best release and surface treatment! Surface energy and water repellency | What is the relationship between non-stickiness and water repellency?

Why does fluoropolymer coating repel water? We will introduce the relationship between surface energy, non-stick properties, and water repellency. ■ The relationship between water droplets and surface energy The reason the surface of fluoropolymer coating repels water is that the surface tension of water acts strongly. The same principle applies to sticky substances. In other words, "difficult to wet = difficult to stick." The action of liquid surface tension is strongly related to the surface free energy of solids. Surface free energy is the force that tries to attract the molecules of the contacting counterpart. Water is a substance with higher surface tension compared to oil. When in contact with a solid that has the same surface free energy, oil tends to spread and wet more easily, while water tends to bead up and is harder to wet. The smaller the surface free energy of the solid compared to the liquid it contacts, and the greater the difference, the more difficult it becomes for the liquid to wet (stick). The surface of fluoropolymer coating has very low surface free energy, which allows it to repel not only water but also oil, making it an effective surface treatment for release purposes due to its low tendency to stick. For more details, please check the official Yoshida SKT website from the link below.

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Fluororesin Coating "Functional Property Data"

Here is some reference data on the non-stick, water-repellent, heat-resistant, and slippery (low friction) properties of fluororesin.

■Non-stickiness: It refers to the property of being easily released from strongly adhesive substances, either not adhering at all or having a tendency to adhere less. ■Water repellency: It refers to the property of repelling liquids and not getting wet when they come into contact with the surface. 【Reference data for non-stickiness and water repellency】 ■Contact angle of water (°) PTFE ... 114 PFA ... 105-110 FEP ... 115 ETFE ... 96 ■Contact angle of n-HD (°) PTFE ... 34-45 PFA ... >45 FEP ... 41-45 ETFE ... 28 ■Surface free energy of solids (dyne/cm) PTFE ... 18.5 PFA ... 17.8 FEP ... 17.8 ETFE ... 22.1 ■Low friction: It has a slippery feel and a low coefficient of friction, providing excellent lubricity. 【Reference data for low friction】 ■Static friction coefficient (μ) PTFE ... 0.02-0.04 PFA ... 0.04-0.05 FEP ... 0.05-0.06 ETFE ... 0.07-0.08 *The values are general characteristics and are not guaranteed. *For more details, please contact us.

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Fluororesin Coating: "What is a Coating with Excellent Corrosion Resistance?"

Fluororesin has excellent chemical resistance and is suitable for applications that require corrosion resistance and purity. The coating protects metals and prevents the leaching of metal ions.

◆Features of Fluororesin Coating with Excellent Corrosion Resistance◆ ■Chemical Resistance of Fluororesin Fluororesin is chemically stable, so it is not affected by most acids, alkalis, or other chemical agents, and ions do not dissolve and leak out. ■Pinhole-Free Coating Technology By applying a fluororesin coating without electrical pinholes to substrates with shapes that cannot be lined with sheets or rotationally molded, we protect against highly corrosive liquids and gases such as acids and alkalis, and prevent the leaching of metal ions from the substrate. ■Prevention of Liquid Penetration and Excellent Blister Resistance Compared to standard fluororesin coatings, our MY lining significantly reduces blister formation and offers a lifespan over ten times longer, with a maximum film thickness of up to 2000μm possible due to our unique processing technology (depending on substrate conditions). With this technology, we provide fluororesin coatings with excellent corrosion resistance. *For more details, please refer to the catalog or contact us directly.

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Fluororesin Coating: "What is the difference in fluororesin?"

I will explain the differences between the representative fluororesins "PTFE," "PFA," and "FEP."

Types and Characteristics of Representative Resins for Teflon Coating and Fluororesin Coating ■ Resin Name PTFE (Polytetrafluoroethylene) ■ Characteristics It has the highest continuous use temperature of 260°C, and in addition to heat resistance, it also excels in non-stick properties and low friction characteristics. ■ Alternative Name Tetrafluoroethylene, 4F ■ Resin Name PFA (Perfluoroalkoxyalkane Polymer) ■ Characteristics An improved resin of PTFE, it has the same continuous use temperature of 260°C as PTFE. It has a low thermal melt viscosity, allowing for a continuous coating with fewer pinholes that could not be achieved with PTFE, making it the best-performing fluororesin for corrosion-resistant coatings. Additionally, PFA is superior in non-stick properties compared to PTFE for certain applications, making it suitable for high-temperature release coatings. ■ Resin Name FEP (Perfluoroethylene Propylene Copolymer) ■ Characteristics An improved resin of PTFE, but with lower heat resistance than PTFE. It can achieve a smooth coating with fewer pinholes through sintering. ■ Alternative Name 4F6F, Tetrafluoro-hexafluoropropylene

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Secondary Cells/Batteries

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Fluororesin coating: What is "corrosion resistance of thick film coating"?

Teflon fluoropolymer, used for corrosion-resistant lining to protect substrates from chemicals. This explains the corrosion resistance of thick fluoropolymer coatings.

■ What is "corrosion resistance"? "Corrosion resistance" refers to the property of being less prone to corrosion reactions and oxidation. In the field of corrosion prevention, which requires corrosion (anti-corrosion) properties, terms such as "light anti-corrosion" and "heavy anti-corrosion" may be used depending on the degree of corrosiveness. You can find detailed information in the PDF document below. ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー 1. What is corrosion resistance? 2. How to prevent corrosion 3. Corrosion resistance of Teflon fluoropolymer coatings 4. Characteristics of Teflon fluoropolymer coatings for corrosion-resistant applications 4-1. No pinholes or defects in the coating film 4-2. Thickening of the coating film 5. What can be achieved by utilizing the corrosion resistance of Teflon fluoropolymer coatings ーーーーーーーーーーーーーーーーーーーーーーーーーーーーーーー * For more details, you can download the document or view it at the link below. ▼ "Protecting the substrate from chemicals!" Explanation of the corrosion resistance of Teflon fluoropolymer coatings ▼

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Fluororesin coating "Strong against thermal environments with composite technology with ceramics"

A coating technology that minimizes the decrease in film hardness even in high-temperature environments by combining fluororesin and ceramic!

CHC (Ceramic Hard Coat) is a new type of fluoropolymer coating that achieves both non-stick properties and high film hardness at elevated temperatures, comparable to standard fluoropolymer coatings. ■ 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 * For detailed product information, please download the PDF or refer to the link below.

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Resin mold

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What is fluororesin coating (Teflon coating)?

It has the property of repelling water and oil well, even when they are on the surface! It is also resistant to cold and can withstand low temperatures of -250°C.

"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.

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Coating Agent

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Fluororesin coating 'QCE-033M'

Explanation of Yoshida SKT's fluororesin coating 'QCE-033M'.

There are various types of resin for fluoropolymer coatings, depending on the application environment. At Yoshida SKT, we specify materials and processing according to the product number. 'QCE-033M' is a type of PFA coating. Among fluoropolymer coatings, it is characterized by excellent non-stick properties, smoothness, and minimal defects. 【What is PFA (Perfluoroalkoxy Alkane Polymer)?】 ■Features It is an improved resin of PTFE, having the same continuous use temperature of 260°C as PTFE. With a low thermal melt viscosity, it can achieve a continuous film with fewer pinholes than PTFE, making it the highest-performing fluoropolymer for corrosion-resistant coatings. Additionally, PFA is superior in non-stick properties compared to PTFE for certain applications, and is used as a high-temperature release coating. For more details, please download the materials or contact us.

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Secondary Cells/Batteries

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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.

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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.

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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.

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Fluorine resin coating×吉田ＳＫＴ - List of Manufacturers, Suppliers, Companies and Products

Fluorine resin coating Product List