728x90 12M2 Plastic Blow Molding Handbook / Norman C. Lee, P.E. 1. What Is Blow Molding? ㆍThe basic process has two fundamental phases. First, a preform (or parison) of hot plastic resin in a somewhat tubular shape is created. Second, a pressurized gas, usually air, is used to expand the hot preform and press it against a female mold cavity. The pressure is held until the plastic cools. This action identifies another coomon feature of blow molded articles. P.. 2022. 3. 29. asb-12m https://www.nisseiasb.co.jp/en/products/catalogs/pdf/asb12m_201307_en.pdf 2022. 3. 23. 이전 1 다음 728x90