| About |
|---|
| LG PMMA HI855M is a Polymethyl Methacrylate Acrylic material. It is available in Asia Pacific, Europe, Latin America, or North America. Important attributes of LG PMMA HI855M are: Flame Rated RoHS Compliant Impact Resistant&& |
| Product Description | |
|---|---|
| Generic | PMMA |
| Material Status | Commercial: Active |
| Features | High impact resistance,HB |
| Availabilitys | North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.17 | g/cm³ | ASTM D792 |
| Melt Flow Rate | |||
| 230℃，3.80kg | 6.2 | g/10min | ASTM D1238 |
| Shrinkage rate | |||
| MD | 0.40 to 0.80 | % | ASTM D955 |
| Water absorption rate | |||
| 24hr | 0.40 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Notched Impact Strength | 3.5 | kJ/m² | ISO 179-1eA |
| Charpy Unnotch Impact strength | 30 | kJ/m² | ISO 179/1eU |
| Impact strength of cantilever beam notch | |||
| Area | 3.20 | kJ/m² | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed | 83.0 | ℃ | ASTM D648 |
| Vicat Softening Temp | 97.0 | ℃ | ASTM D1525 2 |
| Linear coefficient of thermal expansion | |||
| MD | 7.0E-5 | 1/℃ | ASTM D696 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+15 | ohms·cm | ASTM D257 |
| Dielectric strength | 15 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 60 Hz | 3.10 | ASTM D150 | |
| Dissipation factor | |||
| 60 Hz | 0.040 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.490 | ASTM D542 | |
| Transmittance | |||
| 3200 µm | 90.0 | % | ASTM D1003 |
| Haze | |||
| 3200 µm | < 1.0 | % | ASTM D1003 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 52.0 | MPa | ASTM D638 |
| Tensile strain | |||
| yield | 80 | % | ASTM D638 |
| Bending modulus | 2280 | MPa | ASTM D790 |
| bending strength | |||
| yield | 87.3 | MPa | ASTM D790 |
| Rockwell hardness | |||
| M-level | 59 | ASTM D785 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Loading 1 (10 N) |
| 3. 4000 V/sec |
| 【 Disclaimer 】 Guangzhou Soliao Information Technology Co., Ltd. reserves all rights. The information in this data table was obtained from the manufacturer of the material on soliao.com. Soliao.com makes every effort to ensure the accuracy of this data. However, the search company does not assume any responsibility for the uncertainty and consequences caused to users by these data values and suggestions, and strongly recommends verifying the data values with the material supplier before the final selection of materials. |