| About |
|---|
| Glass Bubbles&& |
| Product Description | |
|---|---|
| Generic | Poly 4-methylpentene-1 copolymer |
| Material Status | Commercial: Negative |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.760 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.80 to 1.2 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 1720 | MPa | ASTM D638 |
| tensile strength | 12.4 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 2.0 to 3.0 | % | ASTM D638 |
| Bending modulus | 1380 | MPa | ASTM D790 |
| bending strength | 20.7 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 13 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 3.2 mm | 53 | J/m | ASTM D4812 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 79 | °C | |
| Drying time | 2.0 | hr | |
| Processing (melt) temperature | 266 to 304 | °C | |
| Mold temperature | 66 to 93 | °C | |
| Injection pressure | 68.9 to 103 | MPa | |
| Notes |
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