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Quantum Composites QPC-1977
| Category: | Polyester, TS , Thermoset Polyester |
| Manufacturer: | Quantum Composites Inc. |
| Trademark: | Quantum Composites |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | lVDUdO_Quantum-Composites-QPC-1977.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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QPC-1977 is a modified polyester sheet molding compound (SMC) that is designed for applications requiring high strength, fire retardance, and resistance to elevated temperatures. It offers fast molding cycles and good surface appearance. |
| General Information | |
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| Features |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.74 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow | 0.050 | % | ASTM D955 |
| Water Absorption (24 hr) | 0.15 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Barcol Hardness | 58 | ASTM D2583 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 221 | MPa | ASTM D638 |
| Flexural Modulus | 15900 | MPa | ASTM D790 |
| Flexural Strength | 400 | MPa | ASTM D790 |
| Compressive Strength | 172 | MPa | ASTM D695 |
| Shear Modulus | 4480 | MPa | ASTM D732 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 1600 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 127 | °C | ASTM D648 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Shelf Life | |||
| 4°C | 26 | wk | |
| 24°C | 4.3 | wk | |
| Demold Time (143°C) | 1.3 | min |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Mold Temperature | 132 to 157 | °C | |
| Injection Pressure | 2.76 to 8.27 | MPa |
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