China GPPS Resin, General Purpose Polystyrene, Find details about China GPPS, General Purpose Polystyrene from GPPS Resin, General Purpose Polystyrene
Item | Test conditions | Test method | Test data | unit |
Density | ISO 1183:1987 | 1040 | kg/m3 | |
Water absorption | ISO 62:1999 | <0.1 | % | |
Melt flow rate | 200°C/5kg | ISO 1133 | 7.3 | g/10min |
Process shrinkage | ISO 294 | 0.4-0.7 | % | |
Charpy impact strength | 1eU | ISO 179:1993 | 15 | kj/m2 |
Tensile modulus | 1mm/min | ISO 527 | 3300 | MPa |
Elongation | 50mm/min | ISO 527 | 3 | % |
Tensile strength at break | 50mm/min | ISO 527 | 55 | MPa |
Ball indentation hardness H | 358N/30s | ISO 2039 | 150 | N/mm2 |
Bending strength | 2mm/min | ISO 178 | 100 | MPa |
HDT | 1.82MPa | ISO 75-2 | 80 | °C |
Linear coefficient of thermal expansion | (23-80)°C | DIN 53 752 | 0.8-1.0 | K-1 |
Heat conduction | DIN 52 612 | 0.16 | W/mK | |
Vicat softening point | B10/oil | ISO 306 | 93 | °C |
Flame retardance | >1.4mm | UL-Standard 94 | 94HB | Class |