杜邦DUPONT F40系列（ETFE）200

Typical Property Data for DuPont™ Tefzel ® Fluoropolymer Resin Grade 200
Property Test Method Unit Value
Thermal Properties
Nominal Melting Point ASTM D3159 °C 255–280
(°F) (491–536)
Flow Rate ASTM D3159 g/10 min 7
Upper Service Temperature UL746 °C 150
(°F) (302)
Mechanical Properties
Tensile Strength, 23°C (73°F) ASTM D3159 MPa (psi) 45 (6,500)
Specific Gravity ASTM D792 — 1.7
Ultimate Elongation, 23°C (73°F) ASTM D3159 % 300
Flexural Modulus, 23°C (73°F) ASTM D790 MPa (psi) 1,200 (170,000)
Impact Strength, 23°C (73°F) ASTM D256 J/m (ft-lb/in.) No Break
Hardness Durometer ASTM D2240 Shore D 67
Compressive Strength ASTM D695 MPa (psi) 38 (5,500)
Linear Coefficient of Expansion, 0–100°C ASTM E831 mm/mm/°C 13.1 x 10–5
(32–212°F) (in./in./°F) (7.3 x 10–5)
Electrical Properties
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 — 0.00308
Volume Resistivity ASTM D257 ohm•m (ohm•cm) 1 x 103 (1 x 1017)
Arc Resistance ASTM D495 seconds 122
General Properties
Water Absorption, 24 h ASTM D570 % 0.007
Weather and Chemical Resistance — — Excellent
Limiting Oxygen Index ASTM D2863 % 30–32