材料 >> 聚合物材料
四氟乙烯,全氟(烷氧基乙烯醚)共聚物,片, PFA, 4.5mm厚
半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
Sizes |
441-725-58 |
150 mm x 150 mm |
094-352-70 |
300 mm x 300 mm |
半岛bd体育手机客户端 参数
Thickness[厚度] |
4.5mm |
Chemical Resistance(耐化学性) |
Acids - concentrated |
Excellent |
Acids - dilute |
Excellent |
Alcohols |
Excellent |
Alkalis |
Excellent |
Aromatic hydrocarbons |
Excellent |
Greases and Oils |
Excellent |
Halogens |
Excellent |
Ketones |
Excellent |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
76.000 - 78.000 |
Heat-deflection temperature - 0.45MPa ( C ) |
63 - 80 |
Heat-deflection temperature - 1.8MPa ( C ) |
48.0 - 50.0 |
Thermal conductivity ( W m?? K?? ) |
0.19 |
Upper working temperature ( C ) |
260 |
Electrical Properties(电气特性) |
Dielectric constant @1MHz |
2 - 2 |
Dielectric constant @1kHz |
2.05 - 2.06 |
Dissipation factor @ 1MHz |
0.0008 |
Dissipation factor @ 1kHz |
0.0001 - 0.0002 |
Physical Properties(物理性质) |
Density ( g cm?? ) |
2.150 |
Flammability |
V-0 |
Limiting oxygen index ( % ) |
> 95 % |
Refractive index |
1.350 |
Water absorption ( % ) |
< 0.03 |
Mechanical Properties(机械性能) |
Elongation at break ( % ) |
300.0 |
Tensile strength ( MPa ) |
25.00 |
其他参数
公差
长度 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
直径 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
厚度 |
|
±10% |
陶瓷 |
±20% |
复合材料 |
±20% |
聚合物 |
±20% |
长度 1 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
长度 2 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
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