Outline: Extrusion molding is the main processing method of transparent PS sheet and hairable PS sheet. It can produce special-shaped parts or sheet. The product can be used directly and made into other products by thermal molding.
Extrusion/thermoforming products include disposable items such as cups, plates, LIDS, multi-purpose or single-purpose food containers found in everyday life and supermarkets, as well as medical and restaurant dishes, packaging materials and many other items.The properties of the co-extrusion products can be improved, such as the resistance to environmental stress cracking (ESCR), resistance to permeability, apparent mass, physical properties, etc.The co-extrusion product with polyolefin coated on PS sheet has been commercialized and its resistance to environmental stress cracking and water vapor transmissibility have been successfully improved.
Polystyrene injection molding is also a widely used processing method.Transparent PS sheet and impact-resistant PS sheet are used for the manufacture of electrical appliances, toys, household items, medical supplies, catering supplies, packaging materials.Instruments and office supplies, etc.Transparent PS sheet can be processed into office supplies, CD storage box, large cup, display cabinet, tools and toys, etc., impact resistance PS sheet injection molding products have toys, medical supplies, electrical equipment parts and shell and other supplies.Many electrical products need to use flame retardant grade impact PS sheet.Injection blow molding and extrusion blow molding can produce medicine bottles and other bottles, household packaging and decorative materials.
The molding products of hair - able polystyrene include cup, refrigerator, traditional packaging and floating life-saving appliance.The largest applications of flame retardant grade foamable polystyrene are as building materials and insulation materials.The precursors of the hair - able polystyrene can be used to make granular - filled upholstered chairs and loose fillers.
Heat Deflection Temperature
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