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Material Comparison
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Product Name / Manufacturer / Model
Grade
Reference Price
| mechanical properties | Test Condition | Test Method | LX MMA KOREA/HI855M |
|---|---|---|---|
| Rockwell hardness | ASTM D-785 | 65 M-scale | |
| Impact strength of cantilever beam gap | Izod Notched | ASTM D-256 | 3.0 kg·cm/cm |
| Elongation at Break | ASTM D-638 | 84 % | |
| bending strength | ASTM D-790 | 909 kg/cm | |
| Bending modulus | ASTM D-790 | 24300 kg/cm | |
| tensile strength | ASTM D-638 | 499 kg/cm | |
| thermal performance | Test Condition | Test Method | LX MMA KOREA/HI855M |
| heat conduction | cal/seccm·°C/cm | ASTM D-177 | 5×10 |
| melt mass-flow rate | 230°C,3.8kg | ASTM D-1238 | 7.5 g/10min |
| specific heat | cal/g/°C | 0.35 | |
| UL flame retardant rating | 1/8",1/16" | UL 94 | HB |
| Vicat softening temperature | 1kg | ASTM D-1525 | 94 °C |
| Shrinkage rate | ASTM D995-51 | 0.4-0.8 % | |
| Coefficient of sponge expansion | cm/cm/°C | ASTM D-696 | 6×10 |
| Hot deformation temperature | 18.6kg | ASTM D-648 | 84 |
| Electrical performance | Test Condition | Test Method | LX MMA KOREA/HI855M |
| Dielectric strength | 4KV/S | ASTM D-149 | 15 KV/mm |
| Dissipation factor | 60Hz | ASTM D-150 | 0.04 |
| Volume resistivity | ASTM D-257 | >10 Ω.cm | |
| Dielectric constant | 60Hz | ASTM D-150 | 3.5 |
| Basic Performance | Test Condition | Test Method | LX MMA KOREA/HI855M |
| Water absorption rate | 24h | ASTM D-570 | 0.4 % |
| Physical properties | Test Condition | Test Method | LX MMA KOREA/HI855M |
| density | ASTM D-792 | 1.17 | |
| transparency | 3.2mm | ASTM D-1003 | 92 % |
| reflectivity | ASTM D-542 | 1.49 |