| About |
|---|
| Product Description | |
|---|---|
| Supplier | SUQING |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Dimensional Stability,Good Tensile Strength,High modulus |
| Availabilitys | China |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| proportion | 1.63 | g/cm³ | ASTM D792 |
| Forming shrinkage rate | |||
| flow | 0.4 – 0.5 | % | ASTM D955 |
| Lateral flow | 0.5 – 0.6 | % | ASTM D955 |
| Water absorption rate | 0.3 | % | ASTM D570 |
| Filling content | |||
| 800℃/2h | 50 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| 50mm/min | 198 | MPa | ASTM D638 |
| elongation at break | |||
| 50mm/min | 2 | % | ASTM D638 |
| bending strength | |||
| 3mm/min | 252 | MPa | ASTM D790 |
| Bending modulus | |||
| 3mm/min | 18600 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 113 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | 780 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| melting point | 240 | ℃ | ASTM D2133 |
| Hot deformation temperature | |||
| 0.45MPa | 230 | ℃ | ASTM D648 |
| 1.82MPa | 200 | ℃ | ASTM D648 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1/16 inch | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| Injection molding | Nominal value | Unit | Test method |
| drying temperature | 100 – 120 | ℃ | |
| Drying time | 3 – 5 | hrs | |
| Injection mold temperature | 80 – 110 | ℃ | |
| Injection screw time | 240 – 270 | ℃ | |
| Notes |
|---|
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