材料 >> 聚合物材料
聚甲基丙烯酸甲酯,片, PMMA, Acrylic, Dark Red/Black, 0.5mm厚
半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
Sizes |
580-877-49 |
95mm x 100mm |
562-003-84 |
190mm x 200mm |
650-523-12 |
390mm x 390mm |
半岛bd体育手机客户端 参数
Colour[颜色] |
Dark Red / Black |
Grade[等级] |
IR Transmitting |
Production Method[生产方法] |
Cast |
Thickness[厚度] |
0.5mm |
Physical Properties(物理性质) |
Abbe number |
57.2 |
Density ( g cm?? ) |
1.190 |
Flammability |
HB |
Limiting oxygen index ( % ) |
17 - 20 |
Radiation resistance |
Fair |
Refractive index |
1.490 |
Resistance to Ultra-violet |
Good |
Water absorption - over 24 hours ( % ) |
0.200 |
Mechanical Properties(机械性能) |
Elongation at break ( % ) |
2.5 -4.0 |
Hardness - Rockwell |
M92-100 |
Izod impact strength ( J m?? ) |
16.0 - - 32.0 |
Poisson's ratio |
0.350 - 0.400 |
Tensile modulus ( GPa ) |
2.40 - 3.30 |
Tensile strength ( MPa ) |
80.00 |
Electrical Properties(电气特性) |
Dielectric constant @1MHz |
3 |
Dielectric strength ( kV mm?? ) |
15.0 |
Dissipation factor @ 1MHz |
0.0140 |
Surface resistivity ( Ohm/sq ) |
10?? |
Volume resistivity ( Ohmcm ) |
2-14x10?? |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
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?? kg?? ) |
1400.0 - 1500.0 |
Thermal conductivity ( W m?? K?? ) |
0.17 - 0.19 @23℃ |
Upper working temperature ( C ) |
50 - 90 |
Chemical Resistance(耐化学性) |
Acids - concentrated |
Good-Poor |
Acids - dilute |
Good-Poor |
Alcohols |
Good-Poor |
Alkalis |
Good |
Aromatic hydrocarbons |
Poor |
Greases and Oils |
Good |
Halogenated Hydrocarbons |
Poor |
Halogens |
Poor |
Ketones |
Poor |
其他参数
公差
长度 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
直径 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
厚度 |
|
±10% |
陶瓷 |
±20% |
复合材料 |
±20% |
聚合物 |
±20% |
长度 1 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
长度 2 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
|
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