| About |
|---|
| Warning: The status of this material is ‘Commercial: Limited Issue’ The data for this material has not been recently verified. Please contact RTP Company for current information prior to specifying this grade.&& |
| Product Description | |
|---|---|
| Generic | Paraformaldehyde |
| Material Status | Commercial: Negative |
| Features | HB |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.53 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 0.10 to 0.20 | % | ASTM D955 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 15200 | MPa | ASTM D638 |
| tensile strength | 226 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 2.0 to 3.0 | % | ASTM D638 |
| Bending modulus | 15900 | MPa | ASTM D790 |
| bending strength | 322 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 85 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 3.2 mm | 640 | J/m | ASTM D4812 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | |||
| 1.50 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 4.0 to 5.0 | hr | |
| Processing (melt) temperature | 249 to 282 | °C | |
| Mold temperature | 121 to 141 | °C | |
| Injection pressure | 82.7 to 124 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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