Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA HI855HS LX MMA KOREA
LGMMA®
Casters、Automotive sector
transparent、Impact resistance
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Plastic Datasheets
| hardness | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| Rockwell hardness | M级 | ASTMD785 | 40 |
| Mechanical properties | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| elongation | 屈服 | ASTMD638 | 80 % |
| Flexural modulus | ASTMD790 | 1360 Mpa | |
| tensile strength | 屈服 | ASTMD638 | 31.4 Mpa |
| bending strength | 屈服 | ASTMD790 | 53.0 Mpa |
| optical performance | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| refractive index | ASTMD542 | 1.490 | |
| transmissivity | 3000µm | ASTMD1003 | 90.0 % |
| Haze ratio | 3000µm | ASTMD1003 | 1.5 % |
| flammability | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| UL flame retardant rating | UL94 | HB |
| physical property | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| Shrinkage rate | MD | ASTMD955 | 0.40to0.80 % |
| Water absorption rate | 24hr | ASTMD570 | 0.40 % |
| melt mass-flow rate | 230°C/3.8kg | ASTMD1238 | 2.0 g/10min |
| Thermal performance | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| MD | ASTMD696 | 7E-05 cm/cm/°C | |
| 1.8MPa,未退火 | ASTMD648 | 67.0 °C | |
| vicat | ASTMD15252 | 87.0 °C |
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