... ,PA,PVC,HDPE,BOPP,metal or stretch film and others.Blades are designed for slitting procees in ... film,foil,paper and converting application.Its mainly used for a variety ... die steel,bearing steel,refractory steel,stainless steel,cast iron and other ferrous materials, which are difficult to ... -9,SKH-2,SKD11,H13K,H13,Cr12MoV,9CrSi and so on.Our factory is using the full ...