About |
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Product Description | |
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Supplier | Wanhua |
Generic | Polycarbonate |
Material Status | Commercial: Negative |
Process Methods | Injection Molding |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.2 | g/cm³ | ASTM D792 |
Water absorption rate | |||
23℃ | 0.2 | % | ASTM D570 |
Forming shrinkage rate | 0.5-0.7 | % | ASTM D955 |
Melt index | |||
300℃,1.2kg | 20 | g/10min | ASTM D1238 |
MECHANICAL | Nominal value | Unit | Test method |
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tensile strength | |||
50mm/min | 68 | MPa | ASTM D638 |
Tensile modulus | |||
1mm/min | 2300 | MPa | ASTM D638 |
elongation at break | |||
50mm/min | 120 | % | ASTM D638 |
bending strength | |||
2mm/min | 97 | MPa | ASTM D790 |
Bending modulus | |||
2mm/min | 2300 | MPa | ASTM D790 |
Impact strength of cantilever beam notch | |||
23℃ | 65 | KJ/㎡ | ASTM D256 |
Yield stress | |||
50mm/min | 65 | MPa | ASTM D638 |
Yield strain | |||
50mm/min | 6 | % | ASTM D638 |
Electrical performance | Nominal value | Unit | Test method |
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Relative dielectric constant | |||
100Hz | 3.1 | IEC 60250 | |
1MHz | 3.0 | IEC 60250 | |
Loss factor | |||
100Hz | 5 | 10-4 | IEC 60250 |
1MHz | 90 | 10-4 | IEC 60250 |
Volume resistivity | 1014 | Ω.m | IEC 60093 |
Surface resistivity | 1016 | Ω | IEC 60093 |
Dielectric strength | |||
1mm | 34 | KV/mm | IEC 60243-1 |
Relative resistance to leakage and marking index | |||
Solution A | 250 | V | IEC 60112 |
optical performance | Nominal value | Unit | Test method |
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Haze | |||
3mm | <0.8 | % | ASTM D1003 |
Transmittance | |||
3mm | 89 | % | ASTM D1003 |
FLAME CHARACTERISTICS | |||
3mm | HB | Class | UL 94 |
Refractive index | 1.586 | ASTM D542 |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | |||
1.82MPa | 127 | ℃ | ASTM D648 |
vicat softening point | |||
120℃/h;50N | 146 | ℃ | ASTM D1525 |
Notes |
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