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PTFE

PTFE

PTFE coatings, or Polytetrafluoroethylene, are non-stick fluoropolymer coatings that use a two-coat (primer/topcoat) system. These products have the highest operating temperature of any fluoropolymer and have extremely low coefficient of friction, fair abrasion resistance and good chemical resistance. This coating is normally used where a dry lubricant or low friction, or corrosion resistant coating is necessary. One of the most popular uses of PTFE coatings is for non-stick applications and cookware needed for food grade coatings.

PTFE coating is one of the world’s most sought after non-stick products. It has outstanding release capabilities and can withstand a maximum use temperature of 600°F, higher than any fluoropolymer. This coating is typically applied to a thickness of 1-3 mils.

Benefits of PTFE Coated Fasteners

  • Corrosion resistance
  • Chemical resistance
  • Easy assembly & removal
  • Low coefficient of friction
  • High heat resistance

Properties

 

Tensile Strength (ASTM D1708)

3,000-5,000 psi

Elongation (ASTM D1457)

300-500%

Impact Strength (ASTM D256)

3.5 ft-LB/in

Hardness (ASTM D2240)

50-65 HB (shore D)

Abrasion Resistance (Tabor)

12 mg

Coefficient of Friction (ASTM D1894)

0.12 -0.15 static, 0.05 -0.10 dynamic

Dielectric Strength (ASTM D149)

450 volts per mil

Use Temperature

600°F max

Melting Point

625°F

Thermal Conductivity

1.7 BTU-in/h-ft 2-°F

Chemical Resistance (ASTM D543)

Excellent

Salt Spray Resistance (ASTM B117)

Fair

Water Absorption (ASTM D570)

< .01%

Thickness

0.001″ – 0.003″

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