PTFE material properties
Update Time:2018-04-08
指标名称
Index Name
单位
Unit
标准值
Standard Values
比重 Density
g/cm³
2.14-2.2
软化温度 Softening Temperature

327
拉伸强度 Tensile Strength
MPa
13.72~34.3
伸长率 Elongation
%
150~400
压缩强度 Compressive Strength
MPa
12
冲击强度(悬臂)IZOD Impact Strength
kg-cm/cm²
16.3
邵氏硬度 Shore Hardness
D50-55
弯曲弹性模量
Modulus of Elasticity in Bending
10³kg/cm²
3.5-6.3
弯曲弹性模量
Modulus of Elasticity in Bending
10³kg/cm²
4.0
动摩擦系数
Coefficient of Kinetic Friction
0.1
【 7kg/cm²  3m/min 】
导热系数 Thermal Conductivity
10-4cal/M·sec℃
6.0
比热 Specific Heat
Cal/℃g
0.25
线胀系数
Coefficient of Linear Extensibility
10-/℃
10.0
热变形温度
Heat Deflection Temperature
18.5kg/cm²             4.6kg/cm²
55             121
无负荷最高使用温度
Maximum Use Temperature for No Load
260
体积电阻 Volume Resistivity
Ω.cm
>1018
击穿电压 Puncture Voltage
KV/mm
19
介电常数 Dielectric Constant
<2.1
介电损耗 Dielectric Loss
<2.1x10-
耐电弧性 Arc Resistance
sec
>300
吸水率 Water Absorption
%
0.00
可燃性 Combustibility
V-0
氧指数 Oxygen Index
>95
耐候性 Weatherability
最佳 Best
直射阳光影响
Influence of Direct Sunlight
无 N/A
强弱酸碱及溶剂影响 
Influence of Strong & Weak Acid Base and Solvent
无 N/A
注:以上数值的测试方法为美国ASTM标准 
Note: The testing method for the above values is the ASTM standard of the United States

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