PS (Polystyrene)
Polystyrene Resin Suppliers
Polystyrene Resin Suppliers
Description

PS, Polystyrene, is a clear, amorphous, non-polar commodity thermoplastic that is available as both a typical solid plastic as well in the form of a rigid foam material. PS is one of the most widely use plastic and is used to make a wide variety of consumer products.

Features
  • Good Electrical Properties & Low Dielectric Loss
  • Gamma Radiation Resistance
  • Chemically Inert：Not react with inorganic chemicals.
  • Excellent Dimensional Stability：Versatile and easy to process.
Applications

food packaging, laboratory ware, disposable plastic cutlery and dinnerware, appliances, showcases, shower screens, frames, CD jewel cases, light diffusers, smoke detector housings, license plate frames, plastic model assembly kits…

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Technical Data
Item Property Test Method Unit Value
Physical Density ASTM D792 g/cm3 1.04
Water Absorption ASTM D570 % 0.05
Rockwell Hardness ASTM D785 - 83
 
Mechanical Tensile Modulus ASTM D638 psi 4.3 × 105
Tensile Strength ASTM D638 psi 7,700
Tensile Elongation ASTM D638 % 2.0 - 3.0
Flexural Modulus ASTM D790 psi 4.6 × 105
Flexural Strength ASTM D790 psi 12,000
Izod Impact ASTM D256 ft-lb/in 0.4
 
Thermal Vicat Softening Point ASTM D648 °C/°F 100 / 212
Heat Deflection Temperature at 264 psi ASTM D648 °C/°F 82 / 180
Heat Deflection Temperature at 66 psi ASTM D648 °C/°F 96 / 205
Flammability UL 94 - HB
 
Electrical Electrical Volume Resistivity ASTM D257 Ω-cm 1.0 × 109 - 9.9 × 1010
Surface Resistivity ASTM D257 Ω / sq 1.0 × 1010 - 9.9 × 1011
Dissipation Factor ASTM D150 1 kHz 0.0003
Dielectric Strength ASTM D149 V/mm 20,000
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