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半岛bd体育手机客户端 搜索
材料 >> 聚合物材料
聚乙烯, U.H.M.W.,粉末, UHMW PE
聚乙烯, U.H.M.W.,粉末, UHMW PE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
344-168-51 100g
021-062-89 200g
632-856-00 500g
107-006-82 1000g
375-861-88 2000g
752-147-91 5000g
273-443-16 20000g
994-454-62 25000g

半岛bd体育手机客户端 参数

Mean Particle Size[平均粒度] 150
Molecular Weight[分子量] ~5000k g/mol
Weight[重量] 100g - 25000g
Electrical Properties(电气特性)
Dielectric constant @1MHz 2
Dielectric strength ( kV mm?? ) 28.0
Dissipation factor @ 1MHz 1.0000 - 10.0000 x 10??
Surface resistivity ( Ohm/sq ) 10??
Volume resistivity ( Ohmcm ) 10??
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10?? K?? ) 130.000 - 200.000
Heat-deflection temperature - 0.45MPa ( C ) 69
Heat-deflection temperature - 1.8MPa ( C ) 42.0
Specific heat ( J K?? kg?? ) 1900.0
Thermal conductivity ( W m?? K?? ) 0.42 - 0.51 @23℃
Upper working temperature ( C ) 55 - 95
Chemical Resistance(耐化学性)
Acids - concentrated Good-Fair
Acids - dilute Good
Alcohols Good
Alkalis Good
Aromatic hydrocarbons Fair
Greases and Oils Good-Fair
Halogenated Hydrocarbons Fair-Poor
Halogens Fair-Poor
Ketones Good-Fair
Physical Properties(物理性质)
Density ( g cm?? ) 0.940
Flammability HB
Limiting oxygen index ( % ) 17
Radiation resistance Fair
Resistance to Ultra-violet Poor
Water absorption - over 24 hours ( % ) < 0.010
Mechanical Properties(机械性能)
Coefficient of friction 0.10 - 0.20
Elongation at break ( % ) 500.0
Hardness - Rockwell R50-70
Izod impact strength ( J m?? ) > 1000.0
Poisson's ratio 0.460
Tensile modulus ( GPa ) 0.20 - 1.20
Tensile strength ( MPa ) 20.00 - 40.00
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