Material Comparison
Product Info
Product Name
Brand Name
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Properties
Certificates
AS 990 DOW USA
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Plastic Datasheets
| Other performance | Test Condition | Test Method | DOW USA/990 |
|---|---|---|---|
| Limiting Oxygen Index | ASTM D-2863 | 19 % |
| Basic performance | Test Condition | Test Method | DOW USA/990 |
|---|---|---|---|
| melt mass-flow rate | 230℃/3.8kg | ASTM D-1238 | 8.5 g/10min |
| Mechanical properties | Test Condition | Test Method | DOW USA/990 |
|---|---|---|---|
| Tensile modulus | ASTM D-638 | 34600 Kg/cm | |
| Impact strength of cantilever beam gap | ASTM D-256 | 160 Kg/cm | |
| tensile strength | 屈服 | ASTM D-638 | 675 Kg/cm |
| ASTM D-638 | 675 Kg/cm | ||
| Flexural modulus | ASTM D-790 | 38000 Kg/cm | |
| elongation at break | ASTM D-638 | 2.2 % | |
| bending strength | ASTM D-790 | 1130 Kg/cm | |
| Rockwell hardness | ASTM D-785 | 125 Rscale |
| optical performance | Test Condition | Test Method | DOW USA/990 |
|---|---|---|---|
| Haze ratio | ASTM D-1003 | 0.6 % | |
| transparency | ASTM D-1003 | 89.5 % |
| physical property | Test Condition | Test Method | DOW USA/990 |
|---|---|---|---|
| Shrinkage rate | ASTM D-955 | 0.003-0.007 cm/cm | |
| density | ASTM D-792 | 1.07 |
| Thermal performance | Test Condition | Test Method | DOW USA/990 |
|---|---|---|---|
| Linear coefficient of thermal expansion | ASTM D-696 | 6.2E-05 cm/cm/℃ | |
| vicat | ASTM D-1525 | 107 ℃ | |
| Heat distortion temperature | 未退火，0.45MPa，HDT | ASTM D-648 | 95 ℃ |
| combustibility | UL 94 | HB | |
| Heat distortion temperature | 退火，1.8MPa，HDT | ASTM D-648 | 97 ℃ |
| 未退火，1.8MPa，HDT | ASTM D-648 | 84 ℃ | |
| 退火，0.45MPa，HDT | ASTM D-648 | 100 ℃ |
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