HP-28
High Specific Gravity Blends
Specific gravity：2.51~2.54
| Testing Item | ASTM | Unit | Value | ||||
|---|---|---|---|---|---|---|---|
|
Tensile strength Tensile elongation |
D-638 D-638 |
Kg/cm2 % |
120 ↑ 0.5 ↑ |
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|
Flexural strength Flexural modulus |
D-790 |
Kg/cm2 Kg/cm2 |
200 ↑ 50000 ↑ |
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|
Izod impact (1/8", V-notched) |
D-256 |
Kg‧cm/cm ( 23°C ) ( -30°C ) |
3.0 ↑ - |
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|
Heat distortion temperature |
D-648 |
°C (4.6Kg/cm2) (18.6Kg/cm2) |
- - |
||||
| Melt index | D-1238 |
g/10min (235°C/2.16kg) (275°C/2.16kg) |
- - |
||||
| Hardness |
D-785 D-785 D-2240 |
Rockwell R Shore A Shore D |
- - - |
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| Mold shrinkage | D-955 |
|
- - |
||||
| Specific gravity | D-792 | - | 2.51~2.54 | ||||
| Ash content | D-482 | % | - | ||||
| Flammability | UL-94 |
(1/16") (1/32") |
- - |
High specific gravity blends, HIPS base. (2.51~2.54)
Pretreatment：23℃,50%RH,24hrs
