Teflon™ Coatings Resources
The unique combination of properties inherent to all Teflon™ coatings make them a natural choice in a number of industries. The tables below break down the Thermal, Mechanical, Electrical, and Chemical properties of the four primary product lines of Teflon – PTFE, FEP, PFA, and ETFE.
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Featured Teflon Coating Lines
PTFE – Polytetrafluoroethylene
PTFE nonstick coatings are two-coat (primer/topcoat) systems. PTFE products have the highest operating temperature of any fluoropolymer (500°F/260°C), an extremely low coefficient of friction, good abrasion resistance, and good chemical resistance.
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FEP – Fluorinated ethylene propylene copolymer
FEP nonstick coatings melt and flow during baking to provide nonporous films with excellent chemical resistance. FEP coatings have very low friction and excellent nonstick coating properties, with a maximum use temperature of 400°F/204°C.
PFA – Perfluoroalkoxy
Like FEP, PFA nonstick coatings melt and flow during baking to provide nonporous films. PFA’s properties include a higher maximum use temperature of 500°F/260°C and improved toughness making it an excellent choice for a wide variety uses, especially those involving chemical resistance.
ETFE –Copolymer of ethylene and tetrafluoroethylene
Although not fully fluorinated, ETFE coatings have excellent chemical resistance and can operate continuously at 300°F/149°C. This resin is the toughest of the fluoropolymer coatings and can be applied at film builds up to 2,000 micrometers (80 mils).
Primary Teflon Coating Properties
Thermal Properties of Teflon Coatings
Teflon fluoropolymer coatings can operate continuously at temperatures up to 550°F/290°C and can be used intermittently to 600°F/315°C with adequate ventilation. The table below outlines those Max Use Temperatures as well as Flame Rating, Limiting Oxygen Index, and Thermal Conductivity, among others.
Teflon Coatings: Mechanical Properties
Teflon nonstick coatings are both hydrophobic and oleophobic as well as very resistant to scratches and abrasion due to their excellent durability and toughness. The table below provides data on Hardness, Coefficient of Friction, Abrasion Resistance, Specific Gravity, and Tensile Strength, among others.
Teflon Coatings: Electrical Properties
Over a wide range of frequencies, Teflon fluoropolymers have high dielectric strength (typically 2000 V/mil), low dissipation factor and very high surface resistivity. Data for these properties as well as dielectric constant, arc resistance, and volume resistivity are outlined below.
Teflon Coatings: Chemical Resistance Properties
Teflon coatings are normally unaffected by chemical environments and are great anti-corrosion coatings. Below, find data on Chemical/Solvent Resistance, Water Absorption, Salt Spray Resistance, Detergent Resistance and Weather Resistance (Florida Exposure).
The values shown in these tables represent average occurrences from numerous testing sources and are not intended to be specifications. These values will vary depending upon the individual compositions for the primers, topcoats and systems used. For further information on the properties of these coating systems, please contact Matrix Coatings.
All technical advice, coating application suggestions, recommendations and services are rendered by the seller gratis. They are based on the technical data which the seller believes to be reliable and are intended for use by persons having skill and know-how, at their own discretion and risk. Seller assumes no responsibility for results obtained or damages incurred from their use by buyer in whole or in part.
Teflon™ is a trademark of the Chemours Company used under license by Matrix Coatings Corp.