Украина, г. Одесса, ул. Большая Арнаутская, 15

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Non-stick coatings: PTFE, PFA, FEP

There are three main polymers that are used for non-stick coatings: PTFE, PFA, FEP

1. PTFE Coatings

Our PTFE (polytetrafluoroethylene) coatings are water-based, due to their outstanding non-stick properties and reinforcement with ceramic elements, they have good wear resistance. Due to such inclusions, the final film is porous, unlike FEP and PFA, and therefore less resistant to chemically aggressive environment. The final products can be easily washed for a long time. One of the most popular applications for PTFE coatings; these are non-stick coatings for cookware, and surfaces for the food industry.

Heat resistance up to 260°C.

It is used for household and commercial tableware, on parts of packaging equipment.

2. PFA coatings

Perfluoroalkoxy (PFA) coatings, also like FEP, spread during roasting, forming non-porous films, but have higher continuous use temperatures of 230° C, have high dielectric strength and are considered stronger than PTFE or FEP. Due to its chemical resistance, PFA can be used on pumps, tanks, valves and vessels used in the chemical processing industry. Their non-stick properties and corrosion resistance are irreplaceable for industrial bread pans.”

3. FEP coatings

“FEP (fluorinated copolymer of ethylene and propylene) coatings have the lowest coefficient of friction of all copolymers, therefore their non-stick properties are the best. During roasting, they melt and flow, forming smooth, non-porous compounds, which makes them very chemically stable, and they also have a high dielectric strength. These coatings are chemically inert to most chemicals and solvents, with the exception of very strong alkaline solutions and fluorine at elevated temperatures.

FEP can withstand a maximum use temperature of 205° C/ 400 ° F, which is lower than PTFE and PFA, but their anti-adhesive properties make them indispensable for processing plastic, rubber molds, and the FDA version is excellent for confectionery sugar-containing products.”

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