Properties:white or slight yellow floc-like fiber powder or white powder, odorless, tasteless, no toxicity; disolved in cold water or hot water, solution is basic or neutral, its solution is stable in ph of 2-10, color-changed temp. is 227℃, charring temp. is 252℃, the surface tension of 2% solution is 71mn/n. Physical properties: a) Item: CMC - HV, CMC - LV
b) Appearance: free flowing off white powder
c) Moisture content: 10.0% max
d) PH of solution: 6.0 - 8.5
e) Particle size: 95% min., can pass through 40mesh Mud performance properties: a) CMC - HV 600rpm reading value
1) 2.2g in 350ml distilled water: ≥30
2) 2.7g in 350ml 4% NaCl: ≥30
3) 2.5g in 350ml saturated NaVl: ≥30
b) CMC - LV 600rpm reading value1) 10.5g in 350ml distilled water: ≤90
c) Item fluid loss (ml /): 1) CMC - HV: ≤10
2) CMC - LV: ≤10Uses:⑴The drilling, well-digging of petroleum and natural gas ①. The CMC slurry can form a filter cake on the wall of well to lower the water loss of well. ② CMC can help slurry release the gas and dischaarge the broken matter ③ CMC can prolong the existing period of drilling fluid④ CMC drilling fluid is seldom infected by mould, the high PH value and antiseptic are unnecessary⑤ CMC can be used as flush fluid to reduce the pollutation of soluble-salts ⑥ CMC slurry can work well in 150℃You can choose CMC according to your requirements and local conditions. We can supply the best quality CMC for Oil Drilling to you. Our price is competitive and we take responsibility to any quality uncertainty.
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