Any hollow thermoplastic part can be blow molded. Compared with the plastic injection molding ,blow mold has lots of advantage in big size plastic molding. Various plastic materials are used for their respective advantages. Common materials used in our molds include HDPE, PET, Polypropylene, PVC, and Polycarbonate. We milling our molds to finish wherever possible, minimizing polishing for better productivity, accuracy, and consistency. Beryllium copper and hardened tool steel inserts are used in critical areas for durability and improved thermal transfer.