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Carboxymethyl Cellulose Sodium (CMC)-Oil Drilling Grade

Carboxymethyl Cellulose Sodium (CMC)-Oil Drilling Grade
company Qingdao IRO TAIHE International Trade Co.,Ltd
Categories LED Displays
Update2011-02-25
Original RegionChina
Carboxymethyl Cellulose Sodium (CMC)-Oil Drilling Grade

CAS NO.: 9000-11-7

Molecular Formula: [C6H7O2(OH)2CH2COONa]n

Structural Formula:

Property:

Carboxymethyl Cellulose Sodium (CMC)is a cellulose derivative obtained by chemically modificating the natural cellulose.CMC is one of the most important water soluble polymers with many advantages that other natural or synthetic glues do not have. CMC is white and flowing fine powder.CMC is tasteless, smelless, mould-proof, non-toxic, non-flammable and easily dissolved in water to become transparent viscose solution.CMC solution has good properties of thickening, adhering, emulsifying, and stabilizing. membrane forming, moisture-holding, shape-holding, dispersing and anti-enzyme. The solution ofCMC can be mixed with dissolvable animal glues, glycerin, sobbitol, Arabic gum, pectin, xanthic gum and dissolvable starch.

Specification:

Physical Specification ofCMC for Oil drilling liquids & Oil drilling liquids properties (According to SY5093-92)

LV-CMCMV-CMCHV-CMC
AppearanceWhite or light yellow powder, freely flowable
Water,%10 max
CMC,%80.0 min85.0 min95.0 min
Substitution degree,%0.80 min0.65 min0.8 min
PH7.0-9.07.0-9.06.5-8.0
TypeItemTypical measured values
Distilled waterBrineSaturated brine
Base mudFiltration loss, ml60±1090±10100±10
Apparent viscosity, mPas
PH
HV-CMCMud generating capacity,m3 /t200 min150 min160 min
LV-CMCFiltration loss = 10mlAddition rate, g/l--7.0 max10.0 max
Apparent viscositymPas--4.0 max6.0 max
MV-CMCAddition rate,g/l6.014.03.5
Apparent viscosity,mPas15 min15 min15 min
Filtration loss,ml9 max9 max8 max

Technical Specification ofCMC for oil drilling liquids (According to GB/T5005-2001 or API)

TypeSpecification
CMC-HVTViscometer 600r/minDistilled water30.0 min
40g/dm3 brine30.0 min
Saturated brine30.0 min
Filtration Loss (ml)10.0 max
CMC-LVTViscometer 600r/min90.0 max
Filtration Loss (ml)10.0 max

Note: We could arrange product according to customer's specification

Usage:

CMC Oil Drilling Grade used in fracturing fluid ,drilling fluid and well cementing fluid as fluid loss controller and

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