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Quantum Composites QC-8740
| Category: | Vinyl Ester , Vinyl Ester |
| Manufacturer: | Quantum Composites Inc. |
| Trademark: | Quantum Composites |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | gydr5i_Quantum-Composites-QC-8740.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| QC-8740 is a vinyl ester based sheet molding compound (SMC) designed for compression molding of components requiring toughness and flame retardance. It meets the requirements for a number of commercial and military specifications. |
| General Information | |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.90 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow | 0.10 | % | ASTM D955 |
| Water Absorption (24 hr) | 0.30 | % | ASTM D570 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 214 | MPa | ASTM D638 |
| Flexural Modulus | 13800 | MPa | ASTM D790 |
| Flexural Strength | 379 | MPa | ASTM D790 |
| Compressive Strength | 310 | MPa | ASTM D695 |
| 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) | 149 | °C | ASTM D648 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Shelf Life (24°C) | 8.7 | wk | |
| Demold Time (149°C) | 2.0 to 4.0 | min |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Mold Temperature | 132 to 149 | °C | |
| Injection Pressure | 2.07 to 6.89 | MPa |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| DENILUB Z 00U 23TFAr | Vamp Tech | PPA | DENILUB |
| Latiohm 66-08 PD02 G/35 | LATI S.p.A. | Nylon 66 | Latiohm |
| Karina CLEAR PVC COMPOUND -E 70/202-D-IS | Karina Ind. e Com. de Plásticos Ltda | PVC, Unspecified | Karina |
| LUVOCOM® 1105-8174 | Lehmann & Voss & Co. | PEEK | LUVOCOM® |
| Sylvin 916VO-85C Black | Sylvin Technologies Incorporated | PVC, Unspecified | Sylvin |
