Product Description Film Blowing Machine USAGE It is used for blowing the various kinds film of low density polyethylene (LDPE), high density polyethylene (HDPE) and linear low density polyethylene (LLDPE) etc., which are widely used for packing liquid, industrial products, garments and textile, making plastic bags, like T-shirt bag, flat bag, and other daily usage bag, etc. CHARACTERISTIC 1. Main motor and take-up motor are controlled by frequency inverter adjustment. 2. Material of screw and barrel: 38CrMoAlA Polished with Nitride Treatment Hardness of heat treatment: Screw HV≥ 740, barrel HV≥ 900 Depth of hardening: 0.6-0.7mm Brittleness grade: ≤ 2 grade 3. Gear box: 250 Involutes cylinder Bevel wheel, cast alloy steel piston, fine grinding hard gear surface 4. Die material: Steel 45#/surface treatment of flow channel: Hard chrome- plating 5. Double digital display temperature controller
