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材料 >> 聚合物材料
聚甲基丙烯酸甲酯,颗粒, PMMA, Clear
聚甲基丙烯酸甲酯,颗粒, PMMA, Clear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
976-945-66100 g
876-316-34200 g
238-941-41500 g
567-754-931000 g
128-666-322000 g

产品参数

Colour[颜色]Clear
Grade[等级]Impact Modified
Melt Flow Rate (MFR)[熔体流动率]8.5
Nominal Granule Size[标称颗粒大小]3
Weight[重量]100 g - 2000 g
Physical Properties(物理性质)
Abbe number57.2
Density ( g cm⁻³ )1.190
FlammabilityHB
Limiting oxygen index ( % )17 - 20
Radiation resistanceFair
Refractive index1.490
Resistance to Ultra-violetGood
Water absorption - over 24 hours ( % )0.200
Mechanical Properties(机械性能)
Elongation at break ( % )2.5 -4.0
Hardness - RockwellM92-100
Izod impact strength ( J m⁻¹ )16.0 - - 32.0
Poisson's ratio0.350 - 0.400
Tensile modulus ( GPa )2.40 - 3.30
Tensile strength ( MPa )80.00
Electrical Properties(电气特性)
Dielectric constant @1MHz3
Dielectric strength ( kV mm⁻¹ )15.0
Dissipation factor @ 1MHz0.0140
Surface resistivity ( Ohm/sq )10¹⁴
Volume resistivity ( Ohmcm )2-14x10¹⁵
Thermal Properties(热性能)
Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ )70.000 - 77.000
Heat-deflection temperature - 0.45MPa ( C )105
Heat-deflection temperature - 1.8MPa ( C )95.0
Lower working temperature ( C )-40
Specific heat ( J K⁻¹ kg⁻¹ )1400.0 - 1500.0
Thermal conductivity ( W m⁻¹ K⁻¹ )0.17 - 0.19 @23℃
Upper working temperature ( C )50 - 90
Chemical Resistance(耐化学性)
Acids - concentratedGood-Poor
Acids - diluteGood-Poor
AlcoholsGood-Poor
AlkalisGood
Aromatic hydrocarbonsPoor
Greases and OilsGood
Halogenated HydrocarbonsPoor
HalogensPoor
KetonesPoor
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