Specifications: 1) Appearance: white or yellowish free flowing powder, free from
signs of lumps 2) Physical and chemical properties: a) Purity: 95% min b) Degree of substitution (D.S.): 0.8 min c) Moisture: 10% max d) pH (1% ): 6.5 - 8.0 3) Performance in Mud a) Based slurry fluid lose: 50 - 110ml b) Apparent viscosity: 10mPa.s max c) pH: 6.5 - 9.0 d) Mud yield: 160cbm/t m