| About |
|---|
| Product Description | |
|---|---|
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 23℃，60%RH | 0.22 | % | ASTM D570 |
| Melt Flow Rate | 52 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD，3.0mm | 2.0 | % | |
| melting point | DSC | ||
| 10℃/min | 165 | ℃ | DSC |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0. 46Mpa | 158 | ℃ | ASTM D648 |
| 1.86Mpa | 110 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | ASTM E831 | ||
| 20-80℃ | 13 | E-5℃ | ASTM E831 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 23℃ | 62 | MPa | ASTM D638 |
| Tensile strain | |||
| 23℃ | 40 | % | ASTM D638 |
| bending strength | |||
| 23℃ | 91 | MPa | ASTM D790 |
| Bending modulus | |||
| 23℃ | 2700 | MPa | ASTM D790 |
| tear strength | ASTM D732 | ||
| 2mm | 56 | MPa | |
| Tensile impact strength | |||
| 3.2mm | 980 | J/m | ASTM D1822 |
| Rockwell hardness | |||
| M-level | 80 | 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 | ASTM D256 | ||
| 3.2mm | 5.5 | kJ/m² | ASTM D256 |
| Notes |
|---|
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