POM Delrin® 988P DUPONT USA
377
- Properties:High temperature resistanwear resistant
- Usages:Fitness equipmentAutomotive components
- Certificates:UL
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| physical property | Test Condition | Test Method | Test Result | Unit |
|---|---|---|---|---|
| Shrinkage rate | 1.8-2.0 | % |
| Mechanical performance | Test Condition | Test Method | Test Result | Unit |
|---|---|---|---|---|
| Rockwell hardness R | ASTM D-785 | 120 | ||
| Rockwell hardness M | ASTM D-785 | 94 | ||
| Tensile deformation at the rupture point | 100℃ | ASTM D-638 | >260 | % |
| 23℃ | ASTM D-638 | 25 | % | |
| 122℃ | ASTM D-638 | >260 | % | |
| -55℃ | ASTM D-638 | 10 | % | |
| 70℃ | ASTM D-638 | 180 | % | |
| Elastic coefficient | 23℃ | ASTM D-638 | 3640 | Mpa |
| Ezo impact test | 缺口-40℃ | ASTM D-256 | 55 | J/m |
| 23℃ | ASTM D-256 | 71 | J/m | |
| 无缺口23℃ | ASTM D-256 | 1620 | J/m | |
| tensile strength | 122℃ | ASTM D-638 | 26 | Mpa |
| 100℃ | ASTM D-638 | 36 | Mpa | |
| 70℃ | ASTM D-638 | 48 | Mpa | |
| 23℃ | ASTM D-638 | 69 | Mpa | |
| -55℃ | ASTM D-638 | 101 | Mpa | |
| Compressive stress | 23℃，1%变形 | ASTM D-695 | 35 | Mpa |
| 23℃，10%变形 | ASTM D-695 | 121 | Mpa | |
| Shear strength | 23℃ | ASTM D-732 | 66 | Mpa |
| Flexural coefficient | 23℃ | ASTM D-790 | 3220 | Mpa |
| 70℃ | ASTM D-790 | 1720 | Mpa | |
| 100℃ | ASTM D-790 | 1030 | Mpa | |
| -55℃ | ASTM D-790 | 4730 | Mpa | |
| 122℃ | ASTM D-790 | 755 | Mpa | |
| Flexural deformation strength | 23℃ | ASTM D-790 | 97 | Mpa |
| Flexural fatigue endurance limit | 50%RH，23℃，106周期 | ASTM D-671 | 32 | Mpa |
| Tensile impact strength | 23℃ | ASTM D-1822 | 250 | kJ/m² |
| Load deformation amount | 140kg/cm2,50℃ | ASTM D-621 | 0.5 | % |
| Thermal performance | Test Condition | Test Method | Test Result | Unit |
|---|---|---|---|---|
| Spontaneous combustion | UL 94 | HB | ||
| melting point | ASTM D-2133 | 175 | ||
| Thermal distortion temperature | 1.8MPa | ASTM D-648 | 136 | |
| Linear coefficient of thermal expansion | 29-60℃ | ASTM D-696 | 12.2 | 10-5m/m |
| -40-29 | ASTM D-696 | 10.4 | 10-5m/m | |
| 104-160℃ | ASTM D-696 | 14.9 | 10-5m/m | |
| 60-104℃ | ASTM D-696 | 13.7 | 10-5m/m | |
| Thermal conductivity coefficient | 0.37 | w/mk |
| Electrical performance | Test Condition | Test Method | Test Result | Unit |
|---|---|---|---|---|
| Anti arc | 3.1mm | ASTM D-495 | 220 | sec |
| Dielectric constant | 50%RH，23℃，106Hz | ASTM D-150 | 0.005 | |
| Volume resistivity | 23℃，0.2%含水量 | ASTM D-257 | ≥14.9 | ohm-cm |
| Dielectric constant | 50%RH，23℃，102-106Hz | ASTM D-150 | 3.7 | ohm-cm |
| Dielectric strength | 2.3mm | ASTM D-149 | 19.7 | KV/mm |
| Basic performance | Test Condition | Test Method | Test Result | Unit |
|---|---|---|---|---|
| Water absorption rate | 50%相对湿度 | ASTM D-570 | 0.22 | % |
| 浸渍平衡点 | ASTM D-570 | 0.90 | % | |
| 24小时浸渍 | ASTM D-570 | 0.25 | % |
IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.
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