China Factory Hot Sale GPPS Resin, GPPS Granule Virgin&Recycled General Purpose Polystyrene, Find details about China GPPS Resin, General Purpose Polystyrene from Factory Hot Sale GPPS Resin, GPPS Granule Virgin&Recycled General Purpose Polystyrene
Polystyrene (PS) granules: is composed of styrenemonomer (SM) polymerization, can be synthesized by a variety of synthetic methods, the current industry mainly by bulk polymerization and suspension polymerization.
Polystyrene(PS) is a thermoplastic non-crystalline resin, mainly divided into General Purpose polystyrene (GPPS), High Impact polystyrene (HIPS) and Expandable Polystyrene (EPS) .
General Purpose Polystyrene is a kind of thermoplastic resin, is a colorless, odorless, tasteless, shiny, transparent beaded or granular solid. Density is 1.04 to 1.09, transparency is 88% to 92%, refractive index is 1.59 to 1.60. In the stress function, resulting in birefringence, the so-called stress - optical effect. Product of the melting temperature is 150 to 180 ° C, thermal decomposition temperature is 300 ° C, the heat distortion temperature is 70 to 100 ° C, long-term use temperature is 60 ~ 80 °C.
Product name | Virgin GPPS |
Material | 100% Virgin |
Appearance | GPPS Clear Pellets |
Type | Virgin Plastic Raw Resin |
Usage | General Plastics |
Color | Transparent |
Shape | Grangule |
Color/Appearance | yellow dish Green powder |
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 1133:1997 | 3.8 | cm3/10min |
Process shrinkage | ISO 294-4:1997 | 0.4-0.6 | % | |
Charpy impact strength | 1eU | ISO 179:1993 | 15 | kj/m2 |
Tensile modulus | 1mm/min | ISO 527-2:1993 | 3300 | MPa |
Elongation | 50mm/min | ISO 527-2:1993 | 3 | % |
Tensile strength at break | 50mm/min | ISO 527-2:1993 | 55 | MPa |
Ball indentation hardness H | 358N/30s | ISO 2039-1:1993 | 150 | N/mm2 |
Bending strength | 2mm/min | ISO 178:1993 | 100 | MPa |
HDT | 1.8MPa | ISO 75-2:1993 | 84 | °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 | B50/oil | ISO 306:1994 | 93 | °C |
Flame retardance | >1.4mm | UL-Standard 94 | 94HB | Class |
Application
Lamps, telecommunications accessories, electric frequency capacitors film, high-frequency insulation materials, television sets and other containers, waveguide, chemical containers.ade is mainly used for making rotomolded products, large-sized outdoor toys, storage tanks, roadblocks, etc.