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发表于 2010-12-21 11:13:45
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来自: 中国广东深圳
各种材质的物理性能对比
: ?' K7 i& ]8 g7 K! H0 u; L
5 f5 d9 y/ S& b/ G PTFE FEP PFA4 c1 H e3 J7 g% b3 ~
Hardness, Shore D 50-65 55 60
2 y0 Y7 r: _5 |4 J4 W9 PTensile Strength, psi 3000-5000 3500 3500
/ R8 D& z' q- X6 r E, h1 YElongation at Break,% 200-400 300 300
5 O$ }2 Z+ X, @8 {Brittle Temperature, °F <-400 <-400 <-329
/ U; A0 `% K2 A+ V8 L% XMax. Continuous Operating Temp., °F 500 400 500 |
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