半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
Weight |
562-792-90 |
500g |
862-550-73 |
1000g |
145-760-14 |
2000g |
050-347-98 |
5000g |
730-076-43 |
10000g |
668-634-73 |
25000g |
半岛bd体育手机客户端 参数
Colour[颜色] |
Natural |
Description[描述] |
Extrusion Grade |
Nominal Granule Size[标称颗粒大小] |
3 |
Viscosity[粘度] |
High Viscosity |
Weight[重量] |
500g - 25000g |
Mechanical Properties(机械性能) |
Abrasive resistance - ASTM D1044 ( mg/1000 cycles ) |
5 |
Coefficient of friction |
0.20 - 0.30 |
Hardness - Rockwell |
M82 |
Izod impact strength ( J m?? ) |
30.0 - - 250.0 |
Poisson's ratio |
0.390 |
Tensile modulus ( GPa ) |
2.60 - 3.00 |
Tensile strength ( MPa ) |
78.00 |
Physical Properties(物理性质) |
Density ( g cm?? ) |
1.130 |
Flammability |
HB |
Limiting oxygen index ( % ) |
25 |
Radiation resistance |
Fair |
Refractive index |
1.530 |
Resistance to Ultra-violet |
Poor |
Water absorption - equilibrium ( % ) |
> 8.00 |
Water absorption - over 24 hours ( % ) |
2.700 |
Chemical Resistance(耐化学性) |
Acids - concentrated |
Poor |
Acids - dilute |
Poor |
Alcohols |
Good |
Alkalis |
Good-Fair |
Aromatic hydrocarbons |
Good |
Greases and Oils |
Good |
Halogenated Hydrocarbons |
Good-Poor |
Halogens |
Poor |
Ketones |
Good |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
95.000 |
Heat-deflection temperature - 0.45MPa ( C ) |
200 |
Heat-deflection temperature - 1.8MPa ( C ) |
80.0 |
Lower working temperature ( C ) |
-40 |
Specific heat ( J K?? kg?? ) |
1700.0 |
Thermal conductivity ( W m?? K?? ) |
0.24 - 0.28 @23℃ |
Upper working temperature ( C ) |
80 - 160 |
Electrical Properties(电气特性) |
Dielectric constant @1MHz |
4 |
Dielectric strength ( kV mm?? ) |
25.0 |
Dissipation factor @ 1kHz |
0.2000 |
Surface resistivity ( Ohm/sq ) |
5x10?? |
Volume resistivity ( Ohmcm ) |
5x10?? |
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