| About |
|---|
| 20% CARBON FIBER REINFORCED 15% PTFE LUBRICATED COPOLYMER ACETAL&& |
| Product Description | |
|---|---|
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Low coefficient of friction,Lubricating,Good wear resistance,HB |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.55 | g/cm³ | ASTM D792 |
| Specific volume | 0.647 | cm³/g | |
| Shrinkage rate | |||
| MD | 0.50 to 0.70 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.50 | % | ASTM D570 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 145 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 1.0 to 2.0 | % | ASTM D638 |
| Bending modulus | 12400 | MPa | ASTM D790 |
| bending strength | 152 | MPa | ASTM D790 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 3.2mm | 43 | J/m | ASTM D256 |
| Notched impact strength of cantilever beam | |||
| 3.2 mm | 320 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 160 | ℃ | ASTM D648 |
| Linear coefficient of thermal expansion | |||
| MD | 4.0E-6 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+2 to 1.0E+6 | ohms | ASTM D257 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| 1.60 mm | HB | UL 94 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 82 | °C | |
| Drying time | 4.0 | hr | |
| Processing (melt) temperature | 191 to 210 | °C | |
| Mold temperature | 93 | °C | |
| Back pressure | 0.345 to 0.689 | MPa | |
| Screw speed | 30 to 60 | rpm | |
| Vent depth | 0.013 to 0.025 | mm | |
| Notes |
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| 1. Typical properties: these are not to be construed as specifications. |
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