... of the formation pressure. Then, the pressure gradually reduces. The flakes due to its elasticity and self weight breaks off the ... principal axis driven by 4kw motor to rotate cut the flakes in high feed. The cutting speed is 750~900rpm.5 ... , humic acid etc.2.powder material zinc oxide, lead oxide, calcium chloride, calcium phosphate, High test bleaching powder, cryolite, chemical inhibitor, silica, ...