| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Heat Resistant Grade , Polystyrene, Transparent Grade | 
| Manufacturer | LG Chemical | 
| Trade Name | GPPS | 
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | LG Chemical GPPS 15NF(I) PS, High Transparency, Heat Resistance.pdf  | 
          
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Specific Gravity | 1.04 g/cc | 1.04 g/cc | ASTM D792 | 
| Maximum Moisture Content | 0.010 | 0.010 | Injection Molding | 
| Linear Mold Shrinkage, Flow |           0.0040 - 0.0080           cm/cm           @Thickness 3.20 mm  | 
                  0.0040 - 0.0080           in/in           @Thickness 0.126 in  | 
        ASTM D955 | 
| Melt Flow |           10           g/10 min           @Load 5.00 kg, Temperature 200 °C  | 
                  10           g/10 min           @Load 11.0 lb, Temperature 392 °F  | 
        ASTM D1238 (G) | 
|           28           g/10 min           @Load 3.80 kg, Temperature 230 °C  | 
                  28           g/10 min           @Load 8.38 lb, Temperature 446 °F  | 
        ASTM D1238 (I) | |
|           120           g/10 min           @Load 10.0 kg, Temperature 220 °C  | 
                  120           g/10 min           @Load 22.0 lb, Temperature 428 °F  | 
        ASTM D1238 (G) | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Rockwell R | 121 | 121 | ASTM D785 | 
| Tensile Strength, Yield |           46.1           MPa           @Thickness 3.20 mm  | 
                  6680           psi           @Thickness 0.126 in  | 
        50mm/min; ASTM D638 | 
| Elongation at Break |           4.0 %                     @Thickness 3.20 mm  | 
                  4.0 %                     @Thickness 0.126 in  | 
        50mm/min; ASTM D638 | 
| Tensile Modulus |           2.85           GPa           @Thickness 3.20 mm  | 
                  414           ksi           @Thickness 0.126 in  | 
        1mm/min; ASTM D638 | 
| Flexural Yield Strength |           84.3           MPa           @Thickness 3.20 mm  | 
                  12200           psi           @Thickness 0.126 in  | 
        15mm/min; ASTM D790 | 
| Flexural Modulus |           3.26           GPa           @Thickness 3.20 mm  | 
                  472           ksi           @Thickness 0.126 in  | 
        15mm/min; ASTM D790 | 
| Izod Impact, Notched |           0.0981           J/cm           @Thickness 6.40 mm, Temperature 23.0 °C  | 
                  0.184           ft-lb/in           @Thickness 0.252 in, Temperature 73.4 °F  | 
        ASTM D256 | 
|           0.0981           J/cm           @Thickness 6.40 mm, Temperature -30.0 °C  | 
                  0.184           ft-lb/in           @Thickness 0.252 in, Temperature -22.0 °F  | 
        ASTM D256 | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Deflection Temperature at 0.46 MPa (66 psi) |           93.0           °C           @Thickness 6.40 mm  | 
                  199           °F           @Thickness 0.252 in  | 
        Unannealed; ASTM D648 | 
| Deflection Temperature at 1.8 MPa (264 psi) |           87.0           °C           @Thickness 6.40 mm  | 
                  189           °F           @Thickness 0.252 in  | 
        Unannealed; ASTM D648 | 
| Vicat Softening Point |           95.0           °C           @Load 5.00 kg  | 
                  203           °F           @Load 11.0 lb  | 
        50°C/h; ASTM D1525 | 
| UL RTI, Electrical |           50.0           °C           @Thickness >=1.50 mm  | 
                  122           °F           @Thickness >=0.0591 in  | 
        |
|           50.0           °C           @Thickness >=3.00 mm  | 
                  122           °F           @Thickness >=0.118 in  | 
        ||
| UL RTI, Mechanical with Impact |           50.0           °C           @Thickness >=1.50 mm  | 
                  122           °F           @Thickness >=0.0591 in  | 
        |
|           50.0           °C           @Thickness >=3.00 mm  | 
                  122           °F           @Thickness >=0.118 in  | 
        ||
| UL RTI, Mechanical without Impact |           50.0           °C           @Thickness >=1.50 mm  | 
                  122           °F           @Thickness >=0.0591 in  | 
        |
|           50.0           °C           @Thickness >=3.00 mm  | 
                  122           °F           @Thickness >=0.118 in  | 
        ||
| Flammability, UL94 |           HB                     @Thickness >=1.50 mm  | 
                  HB                     @Thickness >=0.0591 in  | 
        |
|           HB                     @Thickness >=3.00 mm  | 
                  HB                     @Thickness >=0.118 in  | 
        
| Electrical Properties | Metric | English | Comments | 
|---|---|---|---|
| Dielectric Strength | 40.0 kV/mm | 1020 kV/in | |
| Arc Resistance | 120 - 180 sec | 120 - 180 sec | ASTM D495 | 
| Hot Wire Ignition, HWI |           7.0 - 15           sec           @Thickness >=1.50 mm  | 
                  7.0 - 15           sec           @Thickness >=0.0591 in  | 
        |
|           15 - 30           sec           @Thickness >=3.00 mm  | 
                  15 - 30           sec           @Thickness >=0.118 in  | 
        ||
| High Amp Arc Ignition, HAI |           60 - 120           arcs           @Thickness 1.50 mm  | 
                  60 - 120           arcs           @Thickness 0.0591 in  | 
        |
| >=           120           arcs           @Thickness 3.00 mm  | 
        >=           120           arcs           @Thickness 0.118 in  | 
        ||
| High Voltage Arc-Tracking Rate, HVTR | 10.0 - 25.4 mm/min | 0.394 - 1.00 in/min | 
| Processing Properties | Metric | English | Comments | 
|---|---|---|---|
| Rear Barrel Temperature | 170 - 190 °C | 338 - 374 °F | Injection Molding | 
| Middle Barrel Temperature | 180 - 200 °C | 356 - 392 °F | Injection Molding | 
| Front Barrel Temperature | 190 - 210 °C | 374 - 410 °F | Injection Molding | 
| Nozzle Temperature | 190 - 220 °C | 374 - 428 °F | Injection Molding | 
| Melt Temperature | 190 - 220 °C | 374 - 428 °F | Injection Molding | 
| Mold Temperature | 40.0 - 70.0 °C | 104 - 158 °F | Injection Molding | 
| Drying Temperature | 80.0 °C | 176 °F | Injection Molding | 
| Dry Time | 2.00 - 4.00 hour | 2.00 - 4.00 hour | Injection Molding | 
| Back Pressure | 29.4 - 58.8 MPa | 4260 - 8530 psi | Injection Molding | 
| Screw Speed | 30 - 60 rpm | 30 - 60 rpm | Injection Molding |