Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA HI-835H LX MMA KOREA
LGMMA®
Lighting fixtures
High impact resistance
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Plastic Datasheets
| Basic performance | Test Condition | Test Method | LX MMA KOREA/HI-835H |
|---|---|---|---|
| Water absorption rate | 24h | ASTM D-570 | 0.4 % |
| Mechanical properties | Test Condition | Test Method | LX MMA KOREA/HI-835H |
|---|---|---|---|
| Rockwell hardness | ASTM D-785 | 65 M-scale | |
| tensile strength | ASTM D-638 | 395 kg/cm | |
| Impact strength of cantilever beam gap | ASTM D-256 | 4.52 kg?cm/cm | |
| Flexural modulus | ASTM D-790 | 17510 kg/cm | |
| elongation at break | ASTM D-638 | 89 % | |
| bending strength | ASTM D-790 | 713 kg/cm |
| Electrical performance | Test Condition | Test Method | LX MMA KOREA/HI-835H |
|---|---|---|---|
| dielectric constant | 60Hz | ASTM D-150 | 3.9 |
| Loss factor | 60Hz | ASTM D-150 | 0.04 |
| Volume resistivity | ASTM D-257 | >15 Ω.m | |
| dielectric strength | 4KV/S | ASTM D-149 | 15 KV/mm |
| physical property | Test Condition | Test Method | LX MMA KOREA/HI-835H |
|---|---|---|---|
| transparency | ASTM D-1003 | 0.4-0.8 % | |
| density | ASTM D-792 | 1.17 | |
| reflectivity | ASTM D-542 | 1.49 |
| Thermal performance | Test Condition | Test Method | LX MMA KOREA/HI-835H |
|---|---|---|---|
| Heat distortion temperature | 18.56kg，HDT | ASTM D-648 | 92 °C |
| Shrinkage rate | ASTM D995-51 | 0.4-0.8 % | |
| Coefficient of sponge expansion | ASTM D-696 | 7×10 cm/cm/°C | |
| specific heat | 0.35 cal/g/°C | ||
| vicat | 1kg | ASTM D-1525 | 90 °C |
| melt mass-flow rate | ASTM D-1238 | 2.12 g/10min | |
| UL flame retardant rating | 1/8",1/16" | UL 94 | HB |
| heat conduction | ASTM D-177 | 5×10 cal/seccm·°C/cm |
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