| 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 | Copolymer Polyformaldehyde |
| Material Status | Commercial: Negative |
| Features | Lubricating,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 | 1.50 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD：3.2 mm | 2.0 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.17 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile modulus | 2480 | MPa | ASTM D638 |
| tensile strength | 48.3 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 10 | % | ASTM D638 |
| Bending modulus | 2210 | MPa | ASTM D790 |
| bending strength | 79.3 | MPa | ASTM D790 |
| friction coefficient | |||
| &Metal – Dynamic | 0.11 | ASTM D1894 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 6.4mm | 43 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 6.4 mm | 370 | J/m | ASTM D4812 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 152 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 104 | ℃ | ASTM D648 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | 19 | kV/mm | ASTM D149 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 121 | °C | |
| Drying time | 2.0 | hr | |
| Recommended maximum moisture content | 0.15 | % | |
| Proposed maximum recycled material ratio | 20 | % | |
| Barrel rear temperature | 188 to 210 | °C | |
| Barrel middle temperature | 188 to 210 | °C | |
| Barrel front temperature | 188 to 210 | °C | |
| Mold temperature | 93 to 121 | °C | |
| Injection pressure | 103 to 138 | MPa | |
| Back pressure | 0.172 to 0.345 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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