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Technical Specifications for PTFE
PTFE offers unmatched chemical inertness, low friction, and excellent thermal stability. It performs reliably across extreme temperatures and environments while maintaining outstanding electrical insulation and weather resistance. Though not suited for high-load applications due to low strength and creep, it excels in seals, bearings, gaskets, and non-stick or insulating components.
Tensile Strength: ~20–35 MPa
Flexural Strength: ~15–25 MPa
Tensile Modulus (Elastic Modulus): ~0.5 GPa
Elongation at Break: ~200–400%
Impact Strength (Notched Izod): No break (very high toughness)
Melting Point: ~327°C (620°F)
Glass Transition Temperature (Tg): ~115°C (239°F)
Heat Deflection Temperature (HDT): ~120°C (248°F)
Continuous Use Temperature: ~260°C (500°F)
Thermal Conductivity: ~0.25 W/m·K
Coefficient of Thermal Expansion: ~120 × 10⁻⁶ /°C
Dielectric Strength: ~19–25 kV/mm
Volume Resistivity: >10¹⁸ Ω·cm
Dielectric Constant (1 MHz): ~2.1