| About |
|---|
| Product Description | |
|---|---|
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.48 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 23℃，60%RH | 0.22 | % | ASTM D570 |
| Melt Flow Rate | 13 | g/10min | GB/T3682-2000 |
| Shrinkage rate | |||
| MD，3.0mm | 2.2 | % | |
| melting point | DSC | ||
| 10℃/min | 165 | ℃ | DSC |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.86Mpa | 155 | ℃ | GB/T16333-2000 |
| Linear coefficient of thermal expansion | ASTM E831 | ||
| 20℃-80℃ | 13 | E-5℃ | ASTM E831 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 23℃ | 89 | MPa | GB/T 1040.2-2005 |
| Tensile strain | |||
| 23℃ | 3.5 | % | GB/T 1040.2-2005 |
| bending strength | |||
| 23℃ | 131 | MPa | GB/T 9341-2008 |
| Bending modulus | |||
| 23℃ | 3960 | MPa | GB/T 9341-2008 |
| Rockwell hardness | |||
| M-level | 78 | ASTM D785 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 0.8mm | HB | UL-94 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | GB/T 1843-2008 | ||
| 3.2mm | 6.5 | kJ/m² | GB/T 1843-2008 |
| Notes |
|---|
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