| About |
|---|
| QC-7752 is a modified polyester sheet molding compound (SMC) that is designed for applications requiring high strength, good environmental resistance, and resistance to elevated temperatures. It offers fast molding cycles and good surface appearance.&& |
| Product Description | |
|---|---|
| Generic | 热固性聚酯 |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Weather resistance is good,Good surface appearance,Quick molding cycle,High Heat Resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.85 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD | 0.10 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.15 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 1400 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Storage period | |||
| 24℃ | 8.7 | wk | |
| stripping time | |||
| 149℃ | 1.5 | min |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Babbitt hardness | 58 | ASTM D2583 | |
| Tensile modulus | 17900 | MPa | ASTM D638 |
| tensile strength | 193 | MPa | ASTM D638 |
| Bending modulus | 14500 | MPa | ASTM D790 |
| bending strength | 310 | MPa | ASTM D790 |
| compressive strength | 172 | MPa | ASTM D695 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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