KSA120-500L Water buoyancy bucket of hollow blow molding machine to produce plastic barrel barrel thickness design of sectional reinforcement force uniform, reinforcement design make the product more solid bearing the overall strong durable, not easy metabolic kay plastic blow molding machine manufacturer to adopt new PP plastic (polyethylene) non-toxic harmless, feel is good, good chemical stability, most of acid and alkali corrosion.It can not be used in other solvents at room temperature. It has low water absorption and good electrical insulation.Resistance - 7 ℃ -- 100 ℃.