| 1. Teflon® PTFE |
| PTFE (polytetrafluoroethylene) non-stick coatings are two-coat (primer/topcoat) systems. These products have the highest operating temperature of any fluoropolymer (270°C), an extremely low coefficient of friction, good abrasion resistance, and good chemical resistance. PTFE is available only in water-based liquid form. |
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| 2. Teflon® FEP |
| FEP (fluorinated ethylene propylene copolymer) non-stick coatings melt and flow during baking to provide nonporous films. These coatings provide excellent chemical resistance. In addition to low friction, FEP coatings have excellent non-stick properties. Maximum use temperature is 205°C. FEP is available in water-based liquid and powder forms. |
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| 3. Teflon® PFA |
| Like FEP, PFA (perfluoroalkoxy) non-stick coatings melt and flow during baking to provide nonporous films. PFA offers the additional benefits of higher continuous use temperature (260°C), film thicknesses up to 1,000 micrometers (40 mils), and greater toughness than PTFE or FEP. This combination of properties makes PFA an excellent choice for a wide variety of uses, especially those involving chemical resistance. PFA is available in both water-based liquid and powder forms. |
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| 4. Teflon® ETFE |
| ETFE is a copolymer of ethylene and tetrafluoroethylene and is also sold under the Tefzel® trademark. Although not fully fluorinated, ETFE has excellent chemical resistance and can operate continuously at 150°C. This resin is the toughest of the fluoropolymers and can be applied at film builds up to 1,000 micrometers (40 mils) to provide a highly durable finish. ETFE is available in powder form. |
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| 5. Teflon-S® egyrétegű bevonatok |
| These solvent-based liquid coatings are formulated with special blends of fluoropolymers and other high-performance resins to improve toughness and abrasion resistance. Because the film components stratify during baking, most of the fluoropolymer properties (such as low friction and non-stick character) are retained. The resins provide adhesion and abrasion resistance. These products can sometimes be applied to smooth, clean metal. |