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Star Plastics PC741 Molding Grade PC
| Category | Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Molded |
| Manufacturer | Star Plastics, Inc |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Star Plastics PC741 Molding Grade PC.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Information provided by Star Plastics, Inc.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.20 g/cc | 1.20 g/cc | ASTM D792 |
| Maximum Moisture Content | 0.020 | 0.020 | |
| Linear Mold Shrinkage | 0.0050 - 0.0070 cm/cm | 0.0050 - 0.0070 in/in | ASTM D955 |
| Melt Flow | 11 g/10 min @Load 1.20 kg, Temperature 300 °C |
11 g/10 min @Load 2.65 lb, Temperature 572 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Yield | 62.1 MPa | 9000 psi | ASTM D638 |
| Tensile Modulus | 2.41 GPa | 350 ksi | ASTM D638 |
| Flexural Yield Strength | 89.6 MPa | 13000 psi | ASTM D790 |
| Flexural Modulus | 2.41 GPa | 350 ksi | ASTM D790 |
| Izod Impact, Notched | 8.01 J/cm | 15.0 ft-lb/in | 73°F, 0.125 in.; ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | 129 °C | 265 °F | unannealed, .125in; ASTM D648 |
| Flammability, UL94 | HB | HB | .045in |
| V-2 | V-2 | .062in |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Rear Barrel Temperature | 271 - 288 °C | 520 - 550 °F | |
| Middle Barrel Temperature | 277 - 299 °C | 530 - 570 °F | |
| Front Barrel Temperature | 288 - 316 °C | 550 - 600 °F | |
| Nozzle Temperature | 288 - 316 °C | 550 - 600 °F | |
| Melt Temperature | 288 - 316 °C | 550 - 600 °F | |
| Mold Temperature | 76.7 - 104 °C | 170 - 220 °F | |
| Drying Temperature | 121 °C | 250 °F | |
| Dry Time | 4 hour | 4 hour | |
| Back Pressure | 0.345 - 0.689 MPa | 50.0 - 100 psi | |
| Screw Speed | 40 - 75 rpm | 40 - 75 rpm |
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