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材料 >> 聚合物材料
聚甲醛共聚物,球体, Acetal, Copolymer POMC, 16mm直径
聚甲醛共聚物,球体, Acetal, Copolymer POMC, 16mm直径图片
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
542-551-3510 Piece
043-953-9320 Piece

半岛bd体育手机客户端 参数

Diameter[直径]16mm
Quantity[数量]10 Piece - 20 Piece
Electrical Properties(电气特性)
Dielectric constant @1MHz4 - 4
Dielectric strength ( kV mm⁻¹ )20.0 @2.3mm
Dissipation factor @ 1MHz0.0060 - 0.1800
Surface resistivity ( Ohm/sq )10¹⁵
Volume resistivity ( Ohmcm )10¹⁵
Chemical Resistance(耐化学性)
Acids - concentratedPoor
Acids - diluteGood-Fair
AlcoholsGood-Fair
AlkalisGood
Aromatic hydrocarbonsGood
Greases and OilsGood
Halogenated HydrocarbonsGood-Poor
HalogensPoor
KetonesGood-Fair
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )80.000 - 120.000
Heat-deflection temperature - 0.45MPa ( C )160
Heat-deflection temperature - 1.8MPa ( C )110.0
Lower working temperature ( C )-40
Specific heat ( J K⁻¹ kg⁻¹ )1500.0
Thermal conductivity ( W m⁻¹ K⁻¹ )0.23 - 0.30 @23℃
Upper working temperature ( C )80 - 120
Physical Properties(物理性质)
Density ( g cm⁻³ )1.410
FlammabilityHB
Limiting oxygen index ( % )15
Radiation resistancePoor
Resistance to Ultra-violetPoor
Water absorption - equilibrium ( % )0.60 - 0.80
Water absorption - over 24 hours ( % )0.200 - 0.250
Mechanical Properties(机械性能)
Elongation at break ( % )15.0 -40.0
Hardness - RockwellM80
Izod impact strength ( J m⁻¹ )70.0 - - 80.0
Poisson's ratio0.350
Tensile modulus ( GPa )2.30 - 2.80
Tensile strength ( MPa )60.00 - 70.00

其他参数

公差

直径±5%
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