... 4) Grinding machine: Grinding chamber, cutting principal axis, 19 pieces of multi-teeth rotation knife and comb plate composes the ... axis, 10 pieces of turning cut knife and the U type screen mesh (grain size as per customer request) with the hole ... zinc oxide, lead oxide, calcium chloride, calcium phosphate, High test bleaching powder, cryolite, chemical inhibitor, silica, Isophthalodinitrile etc.3. ...