PS, polymerized by SM, is one of the commonly used commodity plastics. According to its compositions, PS can be grouped into General Purpose Polystyrene (GPPS), which is polymerized by 100% SM, and High-Impact Polystyrene(HIPS), which is a SM and rubber copolymer. PS has characteristics in excellent electrical-insulation, low water take-up and high-flow properties. It is widely used for the manufacturing of food containers, toys, plastic cards materials( IC cards), and 3C products.

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Grades Characteristics Applications ASTM Typical Characteristics ISO Typical Characteristics UL RoHS High Impact PS-350 High impact strength. In compliance with FDA 21 CFR 177.1640. It is used in high impact strength products, e.g.: household appliance , stationery, TV case PS-350K Excellent physical property and processing capability. Widely served in electronic-housing and business-machine part fields such as TV sets, setero, computer peripherals, fax machines. PS-333 High gloss, good balance of properties for injections molding applications. UL94HB recognition and in compliance with FDA21 CFR 177.1640. Housing for 3C products, furniture, housewares, toys, TV and OA equipment. PS-302 Well balanced properties that meet various product requirements. Housing for electrical appliances such as VCR, TV, recorders, and air conditioners, wiring bobbin, etc. Extrusion PS-350S Specially designed for extrusion and thermoforming applications, favorable environment stress crack resistance and excellent printability. In compliance with FDA 21 CFR 177.1640. Sheets, profiles for cups, lids, trays, and containers, toys (play card), food packing, cable reels. High Flow PS-316 High flow, good balance of impact and thermal properties. UL94HB recognition and in compliance with FDA 21 CFR 177.1640. Cases for cassettes, housewares, food package and closures such as caps and bottle tops, food contact applications.

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