PP hollow grid board extrusion line we are the manufacture of producing all kind of plastic machinery. PP hollow grid board extrusion line.the products is used widely for building , decorating, advertisement laying,road noise isolation and packing,PP hollow profile board extrusion linecan instead of caton which have feature like light weight,high strengthen ,moisture-proof,antisepsis. The main parametersMain motorSJ-150×30SJ-120×30Molding blocks (pcs)22Haul off speed(m/min)0.5-50.5-5Cutting speed(m/min)44.644.6Capacity(kg/h)600500Width of board(mm)800-2000Thickness of board(mm)2-20