|
PTFE Physical Property |
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|
Name |
Unit(kg/m³) |
Numerial Value |
|
Density |
kg/m³ |
2.10-2.30×10³ |
|
Crystallinity |
% |
Resin 93-97 |
|
Quenching Produtcts 50-65 |
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|
No Quenching Products 63-85 |
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|
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 |
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|
20-150℃ 11.4×10 |
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|
20-200℃ 12.8×10 |
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|
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 |
