LG Chemical HI855M PMMA, Impact Resistant Grade
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
Description
Material Notes:
Molding granule designed for greater impact strength combined with the outstanding properties of conventional acrylic materialsFeatures: Excellent transparency and eleganceWeather resistance and chemical resistanceSurface hardness and coloring propertySuperior electrical resistance and mechanical propertiesNo harm causedApplications: Automotive Parts: Rear lamp coverTurn signal lamp coverIndoor lamp coverRear quarter glassAutomotive badgeElectric or Electronic Parts:LCD light guide plateMicrowave oven door/front panelCassette doorVCR cover/front panelCar stereo panelDial scaleLight pipeSheet:SignboardShowcaseLight domeAquariumPicture frameLighting and Miscellaneous:Solid surfaceLighting coverOrnamentsWatch crystalOptical lensPiano keyboardInformation Provided by LG Chem
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.17 g/cc | 1.17 g/cc | ASTM D792 |
| Water Absorption | 0.40 % | 0.40 % | 24 hours; ASTM D570 |
| Linear Mold Shrinkage | 0.0040 – 0.0080 cm/cm | 0.0040 – 0.0080 in/in | ASTM D955 |
| Melt Index of Compound | 6.0 g/10 min
@Load 3.80 kg,
Temperature 230 °C |
6.0 g/10 min
@Load 8.38 lb,
Temperature 446 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell M | 65 | 65 | ASTM D785 |
| Tensile Strength at Break | 49.0 MPa | 7110 psi | ASTM D638 |
| Elongation at Break | 80 % | 80 % | ASTM D638 |
| Flexural Strength | 89.0 MPa | 12900 psi | ASTM D790 |
| Flexural Modulus | 2.382 GPa | 345.5 ksi | ASTM D790 |
| Izod Impact, Notched | 0.294 J/cm | 0.551 ft-lb/in | ASTM D256 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 60.0 µm/m-°C
@Temperature 20.0 °C
|
33.3 µin/in-°F
@Temperature 68.0 °F
|
ASTM D696 |
| Deflection Temperature at 1.8 MPa (264 psi) | 86.0 °C | 187 °F | ASTM D648 |
| Vicat Softening Point | 96.0 °C | 205 °F | 1 kg; ASTM D1525 |
| Annealing Point | 60.0 – 70.0 °C | 140 – 158 °F | 3-5 hours |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.49 | 1.49 | ASTM D542 |
| Haze | 1.0 %
@Thickness 3.20 mm
|
1.0 %
@Thickness 0.126 in
|
ASTM D1003 |
| Transmission, Visible | 92 %
@Thickness 3.20 mm
|
92 %
@Thickness 0.126 in
|
ASTM D1003 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+15 ohm-cm | >= 1.00e+15 ohm-cm | ASTM D257 |
| Dielectric Constant | 3.5
@Frequency 60 Hz
|
3.5
@Frequency 60 Hz
|
ASTM D150 |
| Dielectric Strength | 15.0 kV/mm | 381 kV/in | 4kV/s; ASTM D149 |
| Dissipation Factor | 0.040
@Frequency 60 Hz
|
0.040
@Frequency 60 Hz
|
ASTM D150 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 210 – 250 °C | 410 – 482 °F | Injection molding cylinder temperature |
| Mold Temperature | 60.0 – 70.0 °C | 140 – 158 °F | |
| Drying Temperature | 60.0 – 70.0 °C | 140 – 158 °F | |
| Dry Time | 4 – 6 hour | 4 – 6 hour | |
| Injection Pressure | 49.0 – 108 MPa | 7110 – 15700 psi |
