flat yarn extruder uses the polypropylene (PP) or polyethylene (PE) material to make tape (flat yarn) flat yarn extruder uses the polypropylene (PP) or polyethylene (PE) material to make tape (flat yarn) through production procedures of material heating & extruding, splitting the film into tapes, the tapes stretching & forming, tapes winding on the bobbins by winding machine, then put the bobbins ...