| About |
|---|
| Flame Retardant – Glass Fiber – Low Warp |
| Product Description | |
|---|---|
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Low warping,Flame Characteristics |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.69 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.10 to 0.30 | % | ASTM D955 |
| water content | < 0.20 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 20700 | MPa | ASTM D638 |
| Tensile strength | 214 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 1.0 to 2.0 | % | ASTM D638 |
| Bending modulus | 20700 | MPa | ASTM D790 |
| bending strength | 359 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 160 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 3.2 mm | 800 | J/m | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 210 | ℃ | ASTM D648 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.50 mm | V-0 | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| Injection | Nominal value | Unit | Test method |
| drying temperature | 104 | °C | |
| Drying time | 1.0 to 3.0 | hr | |
| Processing (melt) temperature | 249 to 277 | °C | |
| Mold temperature | 121 to 141 | °C | |
| Injection pressure | 82.7 to 124 | MPa | |
| Notes |
|---|
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