聚乙烯低密度,颗粒, LDPE, Natural, Additive Free Polymer
半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
Weight |
727-716-45 |
100g |
686-919-32 |
500g |
052-509-12 |
1000g |
483-428-87 |
2000g |
半岛bd体育手机客户端 参数
Colour[颜色] |
Natural |
Description[描述] |
Injection Moulding Grade |
Grade[等级] |
Additive Free Polymer |
Melt Flow Rate (MFR)[熔体流动率] |
21 |
Nominal Granule Size[标称颗粒大小] |
5 |
Weight[重量] |
100g - 2000g |
Chemical Resistance(耐化学性) |
Acids - concentrated |
Good-Fair |
Acids - dilute |
Good |
Alcohols |
Good |
Alkalis |
Good |
Aromatic hydrocarbons |
Fair-Poor |
Greases and Oils |
Good-Fair |
Halogenated Hydrocarbons |
Fair-Poor |
Halogens |
Fair-Poor |
Ketones |
Good-Fair |
Physical Properties(物理性质) |
Density ( g cm?3 ) |
0.920 |
Flammability |
HB |
Limiting oxygen index ( % ) |
17 |
Radiation resistance |
Fair |
Refractive index |
1.510 |
Resistance to Ultra-violet |
Poor |
Water absorption - over 24 hours ( % ) |
< 0.015 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? 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 - Rockwell |
D41-46-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 @1MHz |
2 - 2 |
Dielectric strength ( kV mm?1 ) |
27.0 |
Dissipation factor @ 1MHz |
1.0000 - 10.0000 x 10?? |
Surface resistivity ( Ohm/sq ) |
1013 |
Volume resistivity ( Ohmcm ) |
101?-101? |
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