Engineered for High-Clarity and Electrical Insulation
PS Plain (General Purpose Polystyrene) is characterized by its crystal-clear transparency and high mechanical rigidity. As a thermoplastic with high surface hardness, it is the ideal candidate for applications requiring flat, stable panels that mimic the optics of glass without the associated weight or fragility. Its molecular structure ensures it remains stiff and dimensionally stable under standard indoor conditions.
Dielectric & Electrical Performance
In the technical sector, PS Plain is recognized for its extraordinary dielectric values. It serves as an excellent electrical insulator that can be utilized effectively from low to high frequencies. This makes it a standard material for the consumer electronics and lighting industries, specifically for components in household electrical goods and protective insulation covers.
Moisture Resistance & Hygiene
PS Plain exhibits a very low tendency for water absorption, which prevents warping in damp locations. This property, combined with its resistance to the spread of micro-organisms, makes it a reliable choice for bath and shower screens, as well as showcases in laboratory or medical environments where moisture control is vital.
Fabrication & Processing
This material offers excellent machining properties for precise [CNC routing](https://www.srt-plastics.com/plastic-fabrication-europe/cnc-machining-plastics). While it is more brittle than PET or Polycarbonate, its high rigidity allows for very clean cuts and intricate drilling. It is also highly responsive to vacuum forming, allowing for the creation of lightweight, detailed industrial housings and consumer products.
Practical Applications
Ideal for cost-sensitive indoor projects. Use PS Plain for poster framing, DIY secondary glazing, showcases, and decorative lighting diffusers. Its dielectric properties also make it suitable for insulation plates in consumer electronics and protective panels in household appliances.
Availability
- Standard Sizes: 3050 x 2050 mm / 2000 x 1340 mm
- Thickness Range: 1.5 mm to 5.0 mm
- Service: Available as full sheets or custom CNC cut-to-size panels.
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Plastic Classification Certificates and Test Standards
Information for all Plastic Classifications, Certificates and Standards is available for download in the following tab. Also see our informative page on classifications and standards here.
Chemical & Fabrication Compliance
| Chemical Resistance | Limited (Sensitive to Stress Cracking) |
| Environmental Safety | Low Volatile Substance Content |
| Moisture Resistance | Micro-organism Resistant |
Food, Water & Electrical Safety
| Food Use | Certified for Food Contact |
| Electrical Insulation | Extraordinary Dielectric Value |
| Water Absorption | Very Low (ASTM D570) |
Mechanical & Thermal Safety (ISO Standards)
| Density (ISO 1183) | 1.05 g/cm³ |
| Light Transmission (3 mm) | 90% |
| Vicat Softening (ISO 306) | ~100°C |
Fire Behavior & Specialized Ratings
| UL 94 Rating | Class HB (Horizontal Burn) |
| Dimensional Stability | Brief Exposure to 80°C |
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