It is used for blowing the plastic film of low density polyethylene(LDPE), high density polythylene(HDPE) Usage:1.It is used for blowing the plastic film of low density polyethylene(LDPE), high density polythylene(HDPE)and linear low density polyethylene(LLDPE) etc.2.The film is widely used for packing bag,such as T-shirt bag,shopping bag,clothing bag,garbage bag and agriculture covering film ...