Teflon® Coating

The 7 Properties of Teflon®

 

NON-STICK 1. NON-STICK
Very few solid substances will permanently adhere to a Teflon® finish. Although tacky materials may show some adhesion, almost all substances release easily.
LOW COEFFICIENT OF FRICTION 2. LOW COEFFICIENT OF FRICTION
The coefficient of friction of Teflon® is generally in the range of 0.05 to 0.20, depending on the load, sliding speed, and particular Teflon® coating used.
NON-WETTING 3. NON-WETTING
Since surfaces coated with Teflon® are both oleophobic and hydrophobic, they are not readily wetted. Cleanup is easier and more thorough — in many cases, surfaces are self-cleaning.
HEAT RESISTANCE 4. HEAT RESISTANCE
Teflon® industrial coatings can operate continuously at temperatures up to 260°C/500°F and can be used for intermittent service up to 316°C/600°F with adequate ventilation.
UNIQUE ELECTRICAL PROPERTIES 5. UNIQUE ELECTRICAL PROPERTIES
Over a wide range of frequencies, Teflon® has high dielectric strength, low dissipation factor, and very high surface resistivity. By special techniques, it can even be made electroconductive enough to be used as an anti-static coating.
CRYOGENIC STABILITY 6. CRYOGENIC STABILITY
Many Teflon® industrial coatings withstand severe temperature extremes without loss of physical properties. Teflon® industrial costings may used at temperatures as low as -270°C/-454°F.
CHEMICAL RESISTANCE 7. CHEMICAL RESISTANCE
Teflon® is normally unaffected by chemical environments. The only chemicals known to affect all Teflon® industrial coatings are molten alkali metals and highly reactive fluorinating agents.

Thanks to a variety of coating types, the unique properties of DuPont Teflon® industrial coatings can become an integral surface component on any kind of part — from clutches that engage easier and valves that resist wear to coil springs that become silent. With proper equipment, Teflon® industrial coatings can even be applied to specific areas of complex geometric parts, such as the internal threads of a nut.

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