Material Comparison
Product Info
Product Name
Brand Name
Usages
Properties
Certificates
PMMA IG-840 LX MMA KOREA
LGMMA®
Car taillights、Car dashboard、Car lamp lens、Home appliance doors and
heat-resisting、mechanical strength、Naimo
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Plastic Datasheets
| Basic performance | Test Condition | Test Method | LX MMA KOREA/IG-840 |
|---|---|---|---|
| Water absorption rate | 24h | ASTM D-570 | 0.3 % |
| Mechanical properties | Test Condition | Test Method | LX MMA KOREA/IG-840 |
|---|---|---|---|
| Rockwell hardness | M-Scale | ASTM D-785 | 93 |
| tensile strength | ASTM D-638 | 710 kg/cm | |
| melt mass-flow rate | 230°C,3.8kg | ASTM D-1238 | 5.8 g/10min |
| Impact strength of cantilever beam gap | Izod Notched | ASTM D-256 | 1.6 kg·cm/cm |
| Flexural modulus | ASTM D-790 | 33.000 kg/cm | |
| bending strength | ASTM D-790 | 1.220 kg/cm | |
| elongation at break | ASTM D-638 | 3.5 % | |
| Shrinkage rate | ASTM D995-51 | 0.2-0.6 % |
| Electrical performance | Test Condition | Test Method | LX MMA KOREA/IG-840 |
|---|---|---|---|
| dielectric constant | 60Hz | ASTM D-150 | 4 |
| Loss factor | 60Hz | ASTM D-150 | 0.05 |
| Volume resistivity | ASTM D-257 | >15 Ω.m | |
| dielectric strength | 4KV/S | ASTM D-149 | 20 KV/mm |
| physical property | Test Condition | Test Method | LX MMA KOREA/IG-840 |
|---|---|---|---|
| transparency | 3.2mm | ASTM D-1003 | 93 % |
| reflectivity | ASTM D-542 | 1.49 |
| Thermal performance | Test Condition | Test Method | LX MMA KOREA/IG-840 |
|---|---|---|---|
| Heat distortion temperature | 18.56kg，HDT | ASTM D-648 | 96 °C |
| Coefficient of sponge expansion | ASTM D-696 | 6×10 cm/cm/°C | |
| burning rate | 1/8",1/16" | UL 94 | HB |
| specific heat | 0.35 cal/g/°C | ||
| vicat | 1kg | ASTM D-1525 | 100 °C |
| heat conduction | ASTM D-177 | 5×10 cal/seccm·°C/cm |
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