Category | Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, Impact Modified, Molded |
Manufacturer | LG Chemical |
Trade Name | |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | LG Chemical HI835H PMMA, Impact Resistant Grade.pdf ![]() |
Price | EMAIL US sales@lookpolymers.com |
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 | 1.8 g/10 min @Load 3.80 kg, Temperature 230 °C |
1.8 g/10 min @Load 8.38 lb, Temperature 446 °F |
ASTM D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell M | 47 | 47 | ASTM D785 |
Tensile Strength at Break | 40.0 MPa | 5800 psi | ASTM D638 |
Elongation at Break | 90 % | 90 % | ASTM D638 |
Flexural Strength | 72.0 MPa | 10400 psi | ASTM D790 |
Flexural Modulus | 1.824 GPa | 264.6 ksi | ASTM D790 |
Izod Impact, Notched | 0.530 J/cm | 0.993 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) | 87.0 °C | 189 °F | ASTM D648 |
Vicat Softening Point | 97.0 °C | 207 °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 | 91 % @Thickness 3.20 mm |
91 % @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 |