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Physical properties:1) Item: CMC-HV, CMC-LV 2) Appearance: free flowing off white powder3) Moisture content: 10.0% max4) PH of solution: 6.0-8.5 5) Particle size: 95% min., can pass through 40meshMud performance properties:1) CMC-HV 600rpm reading valuea) 2.2g in 350ml distilled water: ≥30 b) 2.7g in 350ml 4% NaCl: ≥30 c) 2.5g in 350ml saturated NaVl: ≥30 2) CMC-LV 600rpm reading valuea) 10.5g in 350ml distilled water: ≤90 3) Item fluid loss (ml/30min):a) CMC-HV: ≤10 b) CMC-LV: ≤10
CMC for Oil Drilling