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材料 >> 聚合物材料
聚乙烯,低密度,颗粒, LDPE, Natural, Additive Free Polymer
聚乙烯,低密度,颗粒, LDPE, Natural, Additive Free Polymer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
Weight
563-626-42100 g
453-307-57200 g
663-446-87500 g
930-853-081000 g
356-627-102000 g

产品参数

Colour[颜色]Natural
Grade[等级]Additive Free Polymer
Melt Flow Rate (MFR)[熔体流动率]0.3
Nominal Granule Size[标称颗粒大小]5
Weight[重量]100 g - 2000 g
Chemical Resistance(耐化学性)
Acids - concentratedGood-Fair
Acids - diluteGood
AlcoholsGood
AlkalisGood
Aromatic hydrocarbonsFair-Poor
Greases and OilsGood-Fair
Halogenated HydrocarbonsFair-Poor
HalogensFair-Poor
KetonesGood-Fair
Physical Properties(物理性质)
Density ( g cm⁻3 )0.920
FlammabilityHB
Limiting oxygen index ( % )17
Radiation resistanceFair
Refractive index1.510
Resistance to Ultra-violetPoor
Water absorption - over 24 hours ( % )< 0.015
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻1 )100.000 - 200.000
Heat-deflection temperature - 0.45MPa ( C )50
Heat-deflection temperature - 1.8MPa ( C )35.0
Lower working temperature ( C )-60
Specific heat ( J K⁻1 kg⁻1 )1900.0 - 2300.0
Thermal conductivity ( W m⁻1 K⁻1 )0.33   @23℃
Upper working temperature ( C )50 - 90
Mechanical Properties(机械性能)
Elongation at break ( % )400.0
Hardness - RockwellD41-46-Shore
Izod impact strength ( J m⁻1 )> 1000.0
Tensile modulus ( GPa )0.10 - 0.30
Tensile strength ( MPa )5.00 - 25.00
Electrical Properties(电气特性)
Dielectric constant @1MHz2 - 2
Dielectric strength ( kV mm⁻1 )27.0
Dissipation factor @ 1MHz1.0000 - 10.0000 x 10⁻⁴
Surface resistivity ( Ohm/sq )1013
Volume resistivity ( Ohmcm )101⁵-101⁸
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