About |
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Product Description | |
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Supplier | Samyang |
Generic | Polycarbonate |
Material Status | Commercial: Active |
Features | Good Dimensional Stability,Solvent resistance,Flame Characteristics,Heat Stabilized,Weather resistance is good,Good Rigidity |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | 1.174 | g/cm³ | ASTM D792 |
Water absorption rate | |||
23℃,24hr | 0.12~0.15 | % | ASTM D570 |
Shrinkage rate | |||
3.2 mm | 0.4~0.8 | % | ASTM D955 |
Melt Flow Rate | |||
300℃,1.20kg | 4 | g/10min | ASTM D1238 |
MECHANICAL | Nominal value | Unit | Test method |
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tensile strength | |||
yield | 54 | MPa | ASTM D638 |
Tensile strain | |||
fracture | 150 | % | ASTM D638 |
bending strength | |||
yield | 78.5 | MPa | ASTM D790 |
Bending modulus | 1667 | MPa | ASTM D790 |
THERMAL | Nominal value | Unit | Test method |
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Hot deformation temperature | |||
1.8 MPa | 127 | ℃ | ASTM D648 |
IMPACT | Nominal value | Unit | Test method |
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Impact strength of cantilever beam notch | |||
23℃ | 833 | J/m | ASTM D256 |
-50℃ | 686 | J/m | ASTM D256 |
FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
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Flame retardant level | |||
3.00 mm | V-0 | UL 94 |
Process Conditions | |||
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injection molding | Nominal value | Unit | Test method |
drying temperature | 100~110 | °C | |
Drying time | 4 ~ 5 | hrs | |
Maximum moisture content | 0.02 | % | |
Melting temperature | 280 ~ 310 | °C | |
Nozzle temperature | 280 ~ 310 | °C | |
Temperature of the front section of the material barrel | 290 ~ 310 | °C | |
Temperature in the middle section of the barrel | 270 ~ 300 | °C | |
Temperature of the rear section of the barrel | 260 ~ 290 | °C | |
Mold temperature | 50 ~ 80 | °C | |
Injection pressure | 50 ~ 100 | MPa | |
Injection speed | 30 ~ 60 | % | |
Residual amount of injection molding | 3 ~ 6 | mm | |
Maintaining pressure | 35 ~ 60 | MPa | |
Back pressure | 0.4 ~ 0.6 | MPa | |
Screw speed | 50 ~ 60 | rpm |
Notes |
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