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Typical Property Data for DuPont? Tefzel ? Fluoropolymer Resin Grade HT-2185 Property Test Method Unit Value Thermal Nominal Melting Point ASTM D3418 °C (°F) 255–280 (491–536) Flow Rate ASTM D3159 g/10 min 11 Upper Service Temperature UL746 °C (°F) 155 (311) Mechanical Tensile Strength, 23°C (73°F) ASTM D638 MPa (psi) 40 (6,000) Specific Gravity ASTM D792 — 1.7 Ultimate Elongation, 23°C (73°F) ASTM D638 % 300 Flexural Modulus, 23°C (73°F) ASTM D790 MPa (psi) 1,000 (145,000) Impact Strength, 23°C (73°F) ASTM D256 J/m (ft-lb/in) No Break Compressive Strength ASTM D695 MPa (psi) 38 (5,500) Linear Coefficient of Expansion ASTM D696 0–100°C mm/mm/°C 12.6 x 10-5 (32–212°F) (in/in/°F) (7.0 x 10-5) Electrical Dielectric Strength, 0.25 mm (0.010 in) ASTM D149 kV/mm (V/0.001 in) 70 (1,800) Dielectric Constant, 1 MHz, 23°C (73°F) ASTM D1531 — 2.5–2.6 Dissipation Factor, 1 MHz, 23°C (73°F) ASTM D1531 — 0.00540 Volume Resistivity ASTM D257 ohm?m (ohm?cm) 1 x 103 (1 x 1017) General Water Absorption, 24 hr ASTM D570 % 0.007 Weather and Chemical Resistance — — Excellent Limiting Oxygen Index ASTM D2863 % 30–32 Bulk Density DuPont g/L 1,300 Flame Rating UL94 — V-0 Note: Typical properties are not suitable for specification purposes.