... 600 rpm ≥307030Yield Point / Plastic Viscosity Ratio ≤ 31.56Filtrate Volume,cm3 ≤ 152816Residue Grater than 75 Micron,% ≤4 2.5After plastic viscosity ... of scattered,mPa.S ≥ 10 After scattered the filtration,cm3 ≤ 12.5 Moisture,% ≤ 13chemical index: ω(Pb)/10-6ω(As)/10 ...