| About |
|---|
| Chemical Resistance Application Copier, Watch, Clock, VCR, Printer Parts, etc.&& |
| Product Description | |
|---|---|
| Supplier | LG Chemical |
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Solvent resistance |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 190℃，2.16kg | 13 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 1.8 to 2.1 | % | ASTM D955 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 64 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, 6.4 mm | 110 | ℃ | ASTM D648 |
| 0.45 MPa, annealed, 6.4 mm | 160 | ℃ | ASTM D648 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+16 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | 24 | kV/mm | ASTM D149 |
| Dissipation factor | |||
| 1 MHz | 3.8E-4 | ASTM D150 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 3.20 mm | 61.3 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 3.20 mm | 60 | % | ASTM D638 |
| Bending modulus | |||
| 6.40 mm | 2550 | MPa | ASTM D790 |
| bending strength | |||
| Yield, 6.40 mm | 90.2 | MPa | ASTM D790 |
| Rockwell hardness | |||
| M-level | 82 | ASTM D785 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Drying temperature | 90 to 110 | °C | |
| Drying time | 3.0 to 6.0 | hr | |
| Recommended maximum moisture content | < 0.10 | % | |
| Barrel rear temperature | 160 to 180 | °C | |
| Barrel middle temperature | 180 to 200 | °C | |
| Barrel front temperature | 190 to 200 | °C | |
| Nozzle temperature | 190 to 200 | °C | |
| Processing (melt) temperature | 190 to 200 | °C | |
| Mold temperature | 60 to 80 | °C | |
| Back pressure | 3.92 to 7.85 | MPa | |
| Screw speed | 50 to 100 | rpm | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 0.39 in/min |
| 3. 0.11 in/min |
| 4. 0.051 in/min |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |