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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-Scale | ASTM D785 | 40 |
| thermal performance | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| Hot deformation temperature | 1.8MPa,Unannealed | ASTM D648 | 67.0 °C |
| Linear coefficient of thermal expansion | MD | ASTM D696 | 7E-05 cm/cm/°C |
| Vicat softening temperature | ASTM D15252 | 87.0 °C |
| mechanical properties | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| Bending modulus | ASTM D790 | 1360 Mpa | |
| bending strength | Yield | ASTM D790 | 53.0 Mpa |
| elongation | Yield | ASTM D638 | 80 % |
| tensile strength | Yield | ASTM D638 | 31.4 Mpa |
| Physical properties | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| melt mass-flow rate | 230°C/3.8kg | ASTM D1238 | 2.0 g/10min |
| Shrinkage rate | MD | ASTM D955 | 0.40-0.80 % |
| Water absorption rate | 24hr | ASTM D570 | 0.40 % |
| flammability | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| UL flame retardant rating | UL 94 | HB |
| optical performance | Test Condition | Test Method | LX MMA KOREA/HI855HS |
|---|---|---|---|
| Refractive index | ASTM D542 | 1.490 | |
| transmissivity | 3000μm | ASTM D1003 | 90.0 % |
| turbidity | 3000μm | ASTM D1003 | 1.5 % |