A mold that uses plastic plates and sheets as raw materials to form some simpler plastic products. In the case of softening, it is deformed and attached 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 molding, the mold material is mostly made of cast aluminum or non-metallic materials, and the structure is relatively simple.