| About |
|---|
| Antistatic Acetal Compound Features: Permanently Antistatic Good Dimensional Stability Excellent Processability Applications: Industrial Electrical/Electronic Applications Automotive&& |
| Product Description | |
|---|---|
| Generic | Copolymer Polyformaldehyde |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good Dimensional Stability,Antistatic property |
| Availabilitys | North America,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.30 | g/cm³ | ASTM D792 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃，3.2mm | 160 | J/m | ASTM D256 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 1.0E+9 to 1.0E+11 | ohms | ASTM D257 |
| Electrostatic attenuation | < 2.0 | sec | NFPA 99 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 74 | ASTM D2240 | |
| tensile strength | ASTM D638 | ||
| yield | 44.1 | MPa | ASTM D638 |
| fracture | 34.5 | MPa | ASTM D638 |
| Tensile strain | ASTM D638 | ||
| yield | 17 | % | ASTM D638 |
| fracture | 110 | % | ASTM D638 |
| Bending modulus | 1600 | MPa | ASTM D790 |
| bending strength | 60.7 | MPa | ASTM D790 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Extrusion | Nominal value | Unit | Test method |
| Drying temperature | 82 to 88 | °C | |
| Drying time | 2.0 to 4.0 | hr | |
| Barrel rear temperature | 191 to 199 | °C | |
| Barrel middle temperature | 196 to 202 | °C | |
| Barrel front temperature | 199 to 204 | °C | |
| Nozzle temperature | 202 to 207 | °C | |
| Processing (melt) temperature | 204 to 210 | °C | |
| Mold temperature | 38 to 82 | °C | |
| Injection pressure | 68.9 to 82.7 | MPa | |
| Drying temperature | 82 to 88 | °C | |
| Drying time | 3.0 to 5.0 | hr | |
| Barrel 1 zone temperature | 182 to 193 | °C | |
| Barrel 3 zone temperature | 188 to 199 | °C | |
| Barrel 5 zone temperature | 193 to 204 | °C | |
| Melt temperature | 199 to 210 | °C | |
| Nozzle temperature | 193 to 204 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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