What is plastic blow molding, blister mold?
Blow mold structure is relatively simple, the materials used are mostly made of carbon steel.Generally used for molding plastic hollow container class products (such as beverage bottle, cosmetic products and other various packaging container) of a mold, blow moulding main form according to the process principle of extrusion blow molding hollow molding, injection blow molding hollow molding, injection stretch blow molding hollow molding (commonly known as "note blow"), multi-layer hollow blow molding, sheet molding, hollow molding, etc.The equipment corresponding to blow molding of hollow products is usually called plastic blow molding machine. Blow molding is only applicable to the production of thermoplastic products.
Blister mould is a plastic sheet, sheet as raw material forming some simple a mould of plastic products, its principle is to use the vacuum molding method or compressed air method makes on the die or punch with plastic board, sheet, under the condition of the heating softening deformation and posted in the mold cavity of the required molding products, mainly used in some daily necessities, food, toys, packaging products production.Because the pressure of the plastic mold is low when forming, the mould material is mostly made of cast aluminum or non-metal material with simple structure.