Polystyrene is a versatile and cost-effective thermoplastic staple for injection molding. Known for its brilliant clarity, high rigidity, and excellent dimensional stability, PS delivers exceptional value for a wide range of applications. It processes easily with low shrinkage, making it a reliable and efficient choice for high-volume production runs. Whether you need crystal-clear transparency or a sturdy, opaque component, our PS grade provides the performance and consistency your project demands.
KEY BENEFITS
Why choose our Polystyrene for your next injection molding project? Here’s the breakdown:
| Feature | Benefit to You |
|---|---|
| High Clarity & Gloss | Produces parts with a brilliant, glass-like finish, enhancing product appeal right off the shelf. |
| Excellent Rigidity | Provides outstanding structural integrity and stiffness, preventing part flexure and failure under load. |
| Low Cost Material | One of the most economical polymer options available, significantly reducing your per-part cost. |
| Easy Processing | Features excellent flow characteristics and fast cycle times, boosting production efficiency and throughput. |
| Dimensional Stability | Maintains its precise shape and size post-molding, ensuring consistent fit and assembly. |
APPLICATIONS
Our Injection Molding PS is the proven material for countless consumer and industrial products. Here are its primary uses:
| Industry | Specific Applications |
|---|---|
| Consumer & Disposable | Cutlery, CD/DVD cases, cosmetic containers, disposable razors, clamshell packaging. |
| Medical & Laboratory | Petri dishes, test tubes, diagnostic components, culture trays. |
| Electronics & Packaging | Housing for appliances, transparent display covers, blister packs, foam packaging (HIPS). |
| Retail & Point-of-Sale | Product display stands, signage, hanger bars. |
TECHNICAL SPECIFICATIONS
For the engineers and specifiers, here are the key technical properties of our General-Purpose PS.
| Property | Test Method | Value / Metric | Unit |
|---|---|---|---|
| Mechanical | |||
| Tensile Strength at Yield | ASTM D638 | 45 – 60 | MPa |
| Flexural Modulus | ASTM D790 | 3,000 – 3,500 | MPa |
| Impact Strength (Izod Notched) | ASTM D256 | 20 – 25 | J/m |
| Thermal | |||
| Heat Deflection Temp (HDT @ 1.8 MPa) | ASTM D648 | 85 – 95 | °C |
| Vicat Softening Point | ASTM D1525 | 100 – 105 | °C |
| Physical | |||
| Melt Flow Rate (MFR) | ASTM D1238 | 8 – 15 | g/10 min |
| Density | ASTM D792 | 1.04 – 1.05 | g/cm³ |
| Electrical | |||
| Volume Resistivity | ASTM D257 | >10^16 | Ω·cm |
| Processing | |||
| Melt Temperature | – | 180 – 280 | °C |
| Mold Temperature | – | 20 – 60 | °C |