Product Name | Polystyrene (PS) |
CAS No. | 9003-53-6 |
Appearance | Transparent granules (GPPS) or white opaque granules (HIPS) |
Main Types | General Purpose (GPPS) : High transparency, good rigidity, brittle. Suitable for transparent products, optical parts, daily necessities. High Impact (HIPS) : Good toughness, excellent impact resistance. Suitable for appliance housings, toys, auto interiors. |
Physical Properties | Density 1.04-1.06 g/cm³, light transmittance 88%-92%, low water absorption, excellent electrical insulation |
Key Parameters | Melt flow index: GPPS 7-15 g/10min; HIPS 3-10 g/10min Tensile strength: GPPS 35-50 MPa; HIPS 20-35 MPa Heat deflection temperature: 70-95℃ |
Features | High transparency, easy processing, good rigidity, excellent electrical insulation; GPPS is brittle, HIPS has significantly improved impact resistance |
Main Applications | GPPS: Transparent cups, lamp covers, stationery, optical lenses, CD cases, food containers HIPS: Refrigerator liners, AC housings, TV casings, toys, disposable tableware, auto dashboards |
Packaging | 25kg woven bags (PE liner); jumbo bags available |
Storage | Cool, dry, ventilated; avoid direct sunlight; away from heat |
Shipping | Non-hazardous; protect from moisture and rain; handle with care |
Quality Standard | GB/T 12671-2008; Food contact grade meets FDA, EU No 10/2011 |
MOQ | Standard 20-25 tons (1 container); trial order 5-10 tons |
Delivery Time | Standard 7-15 working days |
Payment Terms | T/T (30% deposit, 70% against B/L copy), L/C at sight |
HS Code | 39031100 (EPS expandable); 39031910 (GPPS); 39031920 (HIPS) |
