According to the process principle, the form of injection molding mainly includes extrusion blow molding hollow molding, injection blow molding hollow molding, injection stretch blow molding hollow molding (commonly known as injection stretch blow), multilayer blow molding hollow molding, sheet blow molding hollow molding, etc. .The corresponding equipment for led molding of hollow products is usually called a plastic blow molding machine. Blow molding is only suitable for the production of thermoplastic products. The blow mold structure is relatively simple, and the materials used are mostly made of carbon. 5.The plastic blister mold is a kind of mold that uses plastic plates and sheets as raw materials to form some simpler plastic products. The principle is to use a vacuum or compressed air molding method to fix it on a concave or convex mold. Plastic plates and sheets are deformed under the condition of heating and softening, and then affixed to the cavity of the mold to obtain the desired molded product, which is mainly used in the production of some daily necessities, food, and toy packaging products. Due to the low pressure during forming, the blister mold is made of cast aluminum or non-metallic materials, and the structure is relatively simple. 6, high-expansion polystyrene molding moldis a mold that uses expandable polystyrene (beads composed of polystyrene and foaming agent) raw materials to mold various desired shapes of foam packaging materials.The outdoor IP65 slim LED flood light is that the expandable polystyrene can be steam molded in the mold, including two types of simple manual molds and hydraulic straight-through foam plastic molds, which are mainly used to produce industrial packaging products. The materials used to make this kind of mold are cast aluminum, stainless steel, bronze and so on. The above are the six classifications of plastic molds. Only by understanding the classification of plastic molds can you better choose a suitable plastic mold.