试剂仪器设备原料
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材料 >> 聚合物材料
聚乙烯,高密度,棒, HDPE, 50mm直径
聚乙烯,高密度,棒, HDPE, 50mm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
产品介绍
订货号包装规格
Length (Round)
625-709-98100 mm
213-741-97200 mm
717-749-05500 mm
718-629-141000 mm

产品参数

Diameter[直径]50mm
Length[长度]100 mm - 1000 mm
Physical Properties(物理性质)
Density ( g cm⁻³ )0.950
FlammabilityHB
Limiting oxygen index ( % )17
Radiation resistanceFair
Refractive index1.540
Resistance to Ultra-violetPoor
Water absorption - over 24 hours ( % )< 0.010
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )100.000 - 200.000
Heat-deflection temperature - 0.45MPa ( C )75
Heat-deflection temperature - 1.8MPa ( C )46.0
Specific heat ( J K⁻¹ kg⁻¹ )1900.0
Thermal conductivity ( W m⁻¹ K⁻¹ )0.45 - 0.52 @23℃
Upper working temperature ( C )55 - 120
Electrical Properties(电气特性)
Dielectric constant @1MHz2 - 2
Dielectric strength ( kV mm⁻¹ )22.0
Dissipation factor @ 1MHz1.0000 - 10.0000 x 10⁻⁴
Surface resistivity ( Ohm/sq )10¹³
Volume resistivity ( Ohmcm )10¹⁵-10¹⁸
Mechanical Properties(机械性能)
Coefficient of friction0.29
Hardness - RockwellD60-73-Shore
Izod impact strength ( J m⁻¹ )20.0 - - 210.0
Poisson's ratio0.460
Tensile modulus ( GPa )0.50 - 1.20
Tensile strength ( MPa )15.00 - 40.00
Chemical Resistance(耐化学性)
Acids - concentratedGood-Fair
Acids - diluteGood
AlcoholsGood
AlkalisGood
Aromatic hydrocarbonsFair
Greases and OilsGood-Fair
Halogenated HydrocarbonsFair-Poor
HalogensFair-Poor
KetonesGood-Fair

其他参数

公差

直径≤10mm±10%
聚合物+20% / -10%
陶瓷+20% / -10%
>10mm±5%
陶瓷+20% / -10%
聚合物+20% / -10%
长度<100mm±1mm
≥100mm+5% / -1%
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