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LG PMMA IG840
| 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: | n6UiC9_LG-PMMA-IG840.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| General purpose grade of PMMA is largely divided into injection and extrusion purpose. Various pellet type of grades fit for the properties of customer products are available. |
| General Information | |
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| Features |
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| Uses |
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| RoHS Compliance |
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| UL File Number |
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| Appearance |
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| Forms |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.18 | g/cm³ | ASTM D792 |
| Melt Mass-Flow Rate (MFR) (230°C/3.8 kg) | 5.0 | g/10 min | ASTM D1238 |
| Molding Shrinkage - Flow | 0.20 to 0.50 | % | ASTM D955 |
| Water Absorption (24 hr) | 0.30 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Rockwell Hardness (M-Scale) | 96 | ASTM D785 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 66.7 | MPa | ASTM D638 |
| Tensile Elongation (Yield) | 8.0 | % | ASTM D638 |
| Flexural Modulus | 3300 | MPa | ASTM D790 |
| Flexural Strength (Yield) | 133 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 15 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 89.0 | °C | ASTM D648 |
| Vicat Softening Temperature | 109 | °C | ASTM D1525 1 |
| CLTE - Flow | 6.0E-5 | cm/cm/°C | ASTM D696 |
| RTI Elec (1.50 mm) | 50.0 | °C | UL 746 |
| RTI Imp (1.50 mm) | 50.0 | °C | UL 746 |
| RTI Str (1.50 mm) | 50.0 | °C | UL 746 |
| Flammability | Nominal Value | Test Method | |
|---|---|---|---|
| Flame Rating | UL 94 | ||
| -- | HB | ||
| 1.50 mm, All | HB |
| Optical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Refractive Index | 1.490 | ASTM D542 | |
| Transmittance (3000 µm) | 92.0 | % | ASTM D1003 |
| Haze (3000 µm) | 0.50 | % | ASTM D1003 |
| Yellowness Index (3.00 mm) | 0.40 | YI | ASTM D1925 |
| Injection | Nominal Value | Unit | |
|---|---|---|---|
| Drying Temperature | 70.0 to 80.0 | °C | |
| Drying Time | 4.0 to 6.0 | hr | |
| Suggested Max Moisture | 0.10 | % | |
| Rear Temperature | 210 to 250 | °C | |
| Middle Temperature | 210 to 250 | °C | |
| Front Temperature | 210 to 250 | °C | |
| Mold Temperature | 70.0 to 80.0 | °C | |
| Injection Pressure | 78.5 to 147 | MPa |
| Note Message | |
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| 1 . | Loading 1 (10 N) |
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