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LG PMMA HI855HS
| Category: | Acrylic (PMMA) , Polymethyl Methacrylate Acrylic |
| Manufacturer: | LG MMA Corp. |
| Trademark: | LG PMMA |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | vES1Wq_LG-PMMA-HI855HS.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| PMMA is excellent in impact resistance compared to general glasses, but relatively lower among plastics so it is demanded to be improved in this respect. LG MMA has improved the impact resistance of PMMA using acrylic rubbers, and maintained the weatherability. Impact resistant grade of PMMA is applied to the area where impact strength is required such as signboards, lightings, displays, and vending machines. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.17 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (230°C/3.8 kg) | 2.0 | g/10 min | ASTM D1238 |
| Molding Shrinkage - Flow | 0.40 to 0.80 | % | ASTM D955 |
| Water Absorption (24 hr) | 0.40 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (M-Scale) | 40 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 31.4 | MPa | ASTM D638 |
| Tensile Elongation (Yield) | 80 | % | ASTM D638 |
| Flexural Modulus | 1360 | MPa | ASTM D790 |
| Flexural Strength (Yield) | 53.0 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 54 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 67.0 | °C | ASTM D648 |
| Vicat Softening Temperature | 87.0 | °C | ASTM D1525 1 |
| CLTE - Flow | 7.0E-5 | cm/cm/°C | ASTM D696 |
| Flammability | Nominal Value | Test Method | |
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| Flame Rating | HB | UL 94 |
| Optical | Nominal Value | Unit | Test Method |
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| Refractive Index | 1.490 | ASTM D542 | |
| Transmittance (3000 µm) | 90.0 | % | ASTM D1003 |
| Haze (3000 µm) | 1.5 | % | ASTM D1003 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 60.0 to 70.0 | °C | |
| Drying Time | 4.0 to 6.0 | hr | |
| Suggested Max Moisture | 0.10 | % | |
| Rear Temperature | 200 to 250 | °C | |
| Middle Temperature | 200 to 250 | °C | |
| Front Temperature | 200 to 250 | °C | |
| Mold Temperature | 60.0 to 70.0 | °C | |
| Injection Pressure | 49.0 to 108 | MPa |
| Note Message | |
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| 1 . | Loading 1 (10 N) |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| REVOLVE® M-748 | Matrix Polymers | PE, Unspecified | REVOLVE® |
| SCANTEC PC M75R | Polykemi AB | PC | SCANTEC |
| Spartech Polycom SA5015 | Spartech Polycom | ABS | Spartech |
| Borealis PP RA130E-1005 | Borealis AG | PP Random Copolymer | Borealis PP |
| Sylvin 8690-85 Clear Green 3117 | Sylvin Technologies Incorporated | PVC, Unspecified | Sylvin |
