Thermoplastic (Thermoplastic) or resin is used widely in the world, the plastic has been ความร้อนจะ weakens, and after cooling down curing. Can change the image. This kind of plastic is a long straight chain molecular structureSo can melt. When through the compression strength will not destroy the original structure, for example, polyethylene, and polypropylene polystyrene special is a treasure. When melted and can be used in forming recycling type of plastic.Including
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