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Name of Products : Carboxymethyl Cellulose Sodium (sodium CMC, SCMC, CMC, CMC-NA) and Carboxymethyl Starch Sodium (CMS)
Molecular Formula : C6H7O2 (OH)2OCH2COONa
CAS NO. 9004-32-4
H.S. Code : 39123100
Chemical Properties : Oil drilling grade CMC used in fracturing fluid ,drilling fluid and well cementing fluid as fluid loss controller and tackifier. It can protect the shaft wall and prevent mud loss thus enhance recovery efficiency.
SEPCIFICATION
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PAC-LV |
PAC-HV |
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Appearance |
white powder |
white powder |
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Moisture Content |
10%max. |
10%max. |
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Strach |
Absent |
Absent |
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Degree of Substitution |
0.90min. |
0.90min. |
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pH of 1% Solution |
6.0-8.5 |
6.0-8.5 |
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Apparent viscosity,cP |
40max |
50min |
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Sea Water Fluids Loss,ml |
16max |
23max |
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TEST METHODS ACCORDING TO API 13I |
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Index |
HV-CMC |
LV-CMC |
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Apparent viscosity |
in distilled water |
30 cps min |
90cps max |
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in 4% salt water |
30cps min |
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in saturated water |
30cps min |
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Filtration loss(cm3) |
10 max |
10 max |
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