plastic cosmetic jars wholesale

plastic cosmetic jars wholesale

Our company has always been committed to better production capacity and process production of cosmetic packaging bottles. 4, forming process conditions (1) The selection of materials easy to vacuum forming plastic materials are: polyvinyl chloride and its copolymer, polyolefin, polystyrene and its modified polystyrene, ABS, polyacrylate, cellulose acetate, cellulose acetate butyrate, vinyl acetate copolymer, more difficult to form polysulfone, polycarbonate, polyamide and so on. Plastic materials that can be used for vacuum forming can basically be used for molding and other thermoforming. However, when making large products, it is generally necessary to heat the billet to a certain temperature and then transfer it to the forming machine, in this case, only materials with large heat capacity can adapt to this production, such as polypropylene, polyvinyl chloride and so on.