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China Suppliers Factory for General Purpose Polystyrene and High Impact Polystyrene Products
| General Purpose Polystyrene and High Impact Polystyrene | |||||
|---|---|---|---|---|---|
| Brand | Categories | Grade | Application | MFI (g/10 min, 200°C, 5kg) | Operations |
| LIWAN | GPPS | 525 | Home Appliances, Consumer Product, XPS | 7.5 | Inquiry |
| LIWAN | GPPS | 535N | Home Appliances, Consumer Product, XPS | 3.5 | Inquiry |
| LIWAN | HIPS | 825 | Wide range of injection molding applications | 4.6 | Inquiry |
| GON | GPPS | GON525 | Home Appliances, Consumer Product, XPS | 7 | Inquiry |
| GON | GPPS | GON535N | Home Appliances, Consumer Product, XPS | 2.7 | Inquiry |
| GON | HIPS | GON825 | Wide range of injection molding applications | 3.5 | Inquiry |
| STL | GPPS | STL525 | Home Appliances, Consumer Product, XPS | 9 | Inquiry |
| STL | GPPS | STL535 | Home Appliances, Consumer Product, XPS | 3 | Inquiry |
| STL | HIPS | STL88 | Wide range of injection molding applications | 4 | Inquiry |
| STL | HIPS | STL888GH | Wide range of injection molding applications | 3.5 | Inquiry |
GON525
1. Material Characteristics
GON525 is a highly transparent GPPS grade. It gives excellent mechanical and heat resistance properties while providing with easy process-ability and short cycle time.
2. Material Application
- Transparent parts for refrigerators such as fruit and vegetable crispers, chillers, flaps, trays etc.
- Stationery products like pen barrels, scales etc.
- Household applications such as crystal-ware, kitchen containers etc.
- Ideal material for physically or chemically foamed high-quality foamed articles, such as foam containers, labels or profiles (PSP/XPS)
- Packaging applications such as chocolate boxes, display cabinets, etc.
- Other transparent articles in injection Molding applications
GON535N
1. Material Characteristics
GON535N is a heat resistant, rapid freezing general purpose grade. It is suitable for expanded sheet and film; for blends with high impact polystyrene in heat contact applications; for transparent, impact resistant applications in blends.
2. Material Application
- LDP, Light diffuse plate and LGP, Light guide plate
- Ideal material for physically or chemically foamed high-quality foamed articles, such as foam containers, labels or profiles (PSP/XPS).
- Replacement of SAN and PMMA in several application like water filter containers, pen parts etc.
- Extruded molded articles and injection molded articles
- Transparent sheet for Showcases & displays, consumer electronics, household application, photo frames, building material etc.
- In blends with high impact polystyrene
GON825
1. Material Characteristics
GON825 is a medium flow and very high impact Polystyrene. It gives good mechanical and heat resistance properties while providing with easy processability and short cycle time.
2. Material Application
- Wide range of injection molding applications , e.g. - office, kitchen and bathroom articles
- Food packaging as beverage cups, packaging for dairy products, sheets and disposables
- Internal parts and housings of household appliances and consumer electronics
- Toys
Frequently Asked Questions
Q
What is the difference between GPPS and HIPS?
GPPS (General Purpose Polystyrene) is highly transparent and rigid but relatively brittle, making it ideal for clear packaging, containers, and optical parts. HIPS (High Impact Polystyrene) contains butadiene rubber, which provides significantly higher impact strength and toughness, suitable for housings, toys, and structural components.
Q
What are the primary applications of GON525?
GON525 is a highly transparent GPPS grade commonly used for refrigerator parts (like crispers and trays), stationery (pen barrels), kitchen containers, packaging boxes, and foamed articles (PSP/XPS).
Q
Can GON535N be blended with other polymers?
Yes, GON535N is suitable for blending with High Impact Polystyrene (HIPS) to achieve a balance of transparency and impact resistance, particularly in heat contact applications.
Q
What makes GON825 ideal for injection molding?
GON825 features a medium flow rate and very high impact strength, which ensures excellent processability, short cycle times, and robust mechanical properties for consumer electronics housings, toys, and kitchenware.
Q
How does Melt Flow Index (MFI) affect these polystyrene grades?
A higher MFI (like STL525 at 9 g/10 min) indicates lower viscosity and easier flow, which is beneficial for thin-walled injection molding. A lower MFI (like GON535N at 2.7 g/10 min) offers better melt strength, making it ideal for extrusion processes like sheets and foamed profiles.
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