| Category | Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Flame Retardant | 
| Manufacturer | Korea Kumho Petrochemical Co., Ltd. | 
| Trade Name | Kuhmo | 
| Port | Shanghai port,China | 
| Trade Terms | FOB, CFR, CIF | 
| Payment Terms | L/C, T/T, Western Union | 
| Download PDF | KKPC Kuhmo HFH 403 Flame Retarded HIPS.pdf  | 
          
| Price | EMAIL US sales@lookpolymers.com | 
| Physical Properties | Metric | English | Comments | 
|---|---|---|---|
| Density | 1.10 g/cc | 0.0397 lb/in³ | ASTM D792 | 
| Water Absorption | 0.050 % | 0.050 % | 24 hr immersion; ASTM D570 | 
| Linear Mold Shrinkage | 0.0030 - 0.0060 cm/cm | 0.0030 - 0.0060 in/in | ASTM D955 | 
| Melt Flow | 10 g/10 min | 10 g/10 min | ASTM D1238 | 
| Mechanical Properties | Metric | English | Comments | 
|---|---|---|---|
| Hardness, Rockwell M | 65 | 65 | ASTM D785 | 
| Tensile Strength, Ultimate | 24.5 MPa | 3560 psi | ASTM D638 | 
| Elongation at Break | 80 % | 80 % | ASTM D638 | 
| Flexural Yield Strength | 42.1 MPa | 6110 psi | ASTM D790 | 
| Flexural Modulus | 2.25 GPa | 327 ksi | ASTM D790 | 
| Izod Impact, Notched |           1.23           J/cm           @Thickness 3.20 mm  | 
                  2.30           ft-lb/in           @Thickness 0.126 in  | 
        ASTM D256 | 
| Thermal Properties | Metric | English | Comments | 
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | 80.0 °C | 176 °F | unannealed; ASTM D648 | 
| 90.0 °C | 194 °F | annealed; ASTM D648 | |
| Vicat Softening Point | 98.0 °C | 208 °F | ASTM D1525 | 
| Flammability, UL94 |           V-2                     @Thickness 1.60 mm  | 
                  V-2                     @Thickness 0.0630 in  | 
        |
|           V-2                     @Thickness 3.20 mm  | 
                  V-2                     @Thickness 0.126 in  | 
        
| Electrical Properties | Metric | English | Comments | 
|---|---|---|---|
| Volume Resistivity | 1.00e+16 ohm-cm | 1.00e+16 ohm-cm | ASTM D257 | 
| Dielectric Constant | 2.6 | 2.6 | ASTM D792 | 
| Dielectric Strength | 17.7 kV/mm | 450 kV/in | ASTM D149 |