PTFE Physical Property | ||
Name | Unit(kg/m³) | Numerial Value |
Density | kg/m³ | 2.10-2.30×10³ |
Crystallinity | % | Resin 93-97 |
Quenching Produtcts 50-65 | ||
No Quenching Products 63-85 | ||
Melting Point | ℃ | 3 27 |
Distortion Temperture | ℃ | 55 |
Vicat Softening Point | ℃ | 110 |
Thermal Decomposition | ℃ | ≥415 |
Coefficient of Linear Expansion(Apeak to Pressure dirction)) | 1/℃ | 20-60℃ 10.3×10 |
20-100℃ 10.5×10 | ||
20-150℃ 11.4×10 | ||
20-200℃ 12.8×10 | ||
Thermal Condutivity | W/m.K | 0.256 |
Poisson Ratio(25℃) | 0.4 | |
Refraltive Index | % | 1.37 |
Water Absorption | ≤0.01 | |
Water Contact Angle | 114°-115° | |
Face Expansion Force | N/Cm | 18.5×10 |
Dielectric Constant(10H2) | ≤1.8-2.2 | |
Volume Resistivity | Ω m | ≥1×10 |
Face Resistivity | Ω | ≥10 |
Arc-Resistance | S | ≥300 |
Tensile Strength | Mpa | 27.6 |
Breaking Strength | % | 238 |
Elastic Modulus | Mpa | 280 |
Compressive Strength | Mpa | 12.9 |
Impact Strength(Gap) | KJ/m | 2 |
Bending Strength | Mpa | 20.7 |
Flexural Modulus | Mpa | 700 |
Frection Coefficient | Load 2MPa,Time 30mm | 0.11 |
Wear Figurel | mg | 249 |
Wear Scar Width | mm | 15.8 |