Replace with CIVAL photography before publication
Polystyrene — GPPS & HIPS
General purpose and high impact polystyrene, supplied by grade family with flow and impact confirmed before order.
GPPS and HIPS
| GPPS | HIPS | |
|---|---|---|
| Appearance | Transparent, glossy | Opaque |
| Impact strength | Low — brittle | High, rubber modified |
| Typical use | Cosmetic packaging, CD cases, disposable cups, light diffusers | Refrigerator liners, food containers, toys, thermoformed trays |
Grade selection by process
| Process | Melt flow direction |
|---|---|
| Injection moulding — thin wall | High MFI |
| Extrusion sheet / thermoforming | Low MFI, higher melt strength |
| Foam sheet (XPS / EPS conversion) | Specific foam grade |
Parameters confirmed before order
- Melt flow index
- Notched Izod impact strength (HIPS)
- Vicat softening temperature
- Residual monomer content — relevant for food contact
- Optical properties for GPPS — haze, light transmission
Documentation on every shipment
- Lot-level Certificate of Analysis
- Technical Data Sheet and Safety Data Sheet on request
- SGS pre-shipment inspection available
- Full export documentation set — Commercial Invoice, Packing List, B/L, Certificate of Origin
Request a quotation
Send your required specification and monthly volume. Priced offer within 24 hours, FOB / CFR / CIF.