Replicate film blowing machine used for blowing low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE) and other plastic filmsFeatures and specifications: 1) Models: a) SJ-45-FM600 b) SJ-55-FM850 2) Cylinders and screws of the SJ-45-55 model extruder are made of high quality alloy steel with optimum hardness and strong corrosion resistance after nitrogen treatment and precision finishing 3) Rolling motor adopts replicate equipment for replicate film blowing eight-layer rolling materials with torque motor to keep proper tension and make even and easy roll-changes 4) Widely used for hotel and marketplace garbage bags, industrial packaging, and vest bags