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特性
characterPTFF PFA FEP ETFE PCTFE PVDF 比重
specific gracity2.13-2.22 2.12-2.17 2.12-2.17 1.70-1.86 2.10-2.14 1.76-1.78 熔点(℃)
melting point327 302-310 270 260 210-212 173-175 高连续使用温度(℃)
maximum continuous user temperature260 260 200 150 120 150 拉伸强度(mpa)
tensile strength20-45 27-35 19-22 40-50 31-41 39-59 延伸率(%)
coefficient of elongation200-450 280-400 250-330 420-460 80-250 300-450 介电常数
103HZ
106HZ
dielectric constant2.1
2.12.1
2.12.1
2.12.6
2.62.3-2.7
2.3-2.57.72
6.43体积电阻(Ω-CM)
volume resistance>1018 >1018 >1018 >1016 >1016 >1014 介电击穿强度
v/mil
dielectric breakdown strength480 500 500-600 400 500-600 260