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Polystyrene: Styrene / Acrylonitrile, Copolymer: Molding and Extrusion
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Glossary » Materials » Polymers » Polystyrene » Styrene / Acrylonitrile, Copolymer » Molding and Extrusion
Molding and Extrusion PS is a subcategory of Polystyrene. It is specially formulated to molding and extrusion. Its elastic modulus ranges from 530 to 580 MPa. Its flexural modulus ranges from 500 to 610 MPa. Its tensile strength ranges from 10000 to 11900 MPa at break. Its flexural strength ranges from 11000 to 19000 MPa. Its compressive strength ranges from 14000 to 15000 MPa. Its Izod Impact strength ranges from 0.4 to 0.63 J/cm. Its elongation at break ranges from 2 to 3 %. Its hardness ranges from 83 to 75 Rockwell R. Its specific gravity ranges from 1.06 to 1.08. Its coefficient of thermal expansion ranges from 65 to 68 x 10-6/°C. Its melting temperature ranges from 100 to 200 °C. Its molding pressure ranges from 5 to 20 MPa.

Polystyrene, also known as PS, is a thermoplastic polymer. The most common trade name is Novacor 555. styrene / acrylonitrile, copolymer It is an inexpensive material that is not structurally strong but easy to mold. It machines well, and is highly transparent. PS is commonly used for inexpensive packaging materials, pens, safety razors, flatware, and CD jewel boxes. In Styrofoam forms, PS is used to make high-throughput, thin-walled, easy-to-mold parts where structure is not paramount.
Additional Information
Other common Polystyrene (PS) include High and Medium Flow PS, Heat Resistant PS, 20% Long and Short Glass Fiber Reinforced PS, Rubber-Modified Flame-Retardant, UL-V0 PS, Rubber-Modified High Impact PS, Olefin Rubber Modified PS, 20% Glass Fiber Reinforced PS, Clear PS, Extrusion, Blow Molding, Injection Molding Grades PS, Clear Styrene Butadiene Copolymers PS, Molding and Extrusion PS, Impact Modified PS, 20% Glass Fiber Reinforced PS, High Heat Resistant, Injection Molding PS, Impact Modified High Heat Resistant PS, 20% Glass Fiber Reinforced High Heat Resistant PS, PS, and 20% PAN Carbon Fiber EMI Shielding (conductive) PS.
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