试剂 半岛游戏平台官网入口网址 设备 原料
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半岛bd体育手机客户端 搜索
材料 >> 聚合物材料
聚四氟乙烯,粉末, PTFE, White
聚四氟乙烯,粉末, PTFE, White图片
品牌: Goodfellow
产地: 英国
索取资料及报价
品牌: Goodfellow
产地: 英国
半岛bd体育手机客户端 介绍
订货号 包装规格
Weight
749-631-66 100 g
504-689-80 200 g
719-575-71 500 g
560-113-73 1000 g
910-738-42 2000 g

半岛bd体育手机客户端 参数

Colour[颜色] White
Mean Particle Size[平均粒度] 675
Weight[重量] 100 g - 2000 g
Mechanical Properties(机械性能)
Coefficient of friction 0.05 - 0.20
Elongation at break ( % ) 400.0
Hardness - Rockwell D50-55-Shore
Izod impact strength ( J m?? ) 160.0
Poisson's ratio 0.460
Tensile modulus ( GPa ) 0.30 - 0.80
Tensile strength ( MPa ) 10.00 - 40.00
Chemical Resistance(耐化学性)
Acids - concentrated Good
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Good
Greases and Oils Good
Halogenated Hydrocarbons Good
Halogens Good
Ketones Good
Physical Properties(物理性质)
Density ( g cm?? ) 2.200
Flammability V-0
Limiting oxygen index ( % ) 95
Radiation resistance Poor
Refractive index 1.380
Resistance to Ultra-violet Excellent
Water absorption - over 24 hours ( % ) 0.010
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 100.000 - 160.000
Heat-deflection temperature - 0.45MPa ( C ) 120
Heat-deflection temperature - 1.8MPa ( C ) 54.0
Lower working temperature ( C ) -260
Specific heat ( J K?? kg?? ) 1000.0
Thermal conductivity ( W m?? K?? ) 0.25 @23℃
Upper working temperature ( C ) 180 - 260
Electrical Properties(电气特性)
Dielectric constant @1MHz 2 - 2
Dielectric strength ( kV mm?? ) 50.0 - 170.0
Dissipation factor @ 1MHz 0.0003 - 0.0007
Surface resistivity ( Ohm/sq ) 10??
Volume resistivity ( Ohmcm ) 10??-10??
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