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Oil-drilling Grade CMC
Chemical Name: Carboxymethylcellulose sodium
Synonyms:CMC-Na; cmc sodium salt; CMC-LV,CMC-HV
CAS No.: 9004-32-4
Molecular Formula:[C6H7O2(OH)2OCH2COONa]n
Specification-GB/T5005-2001(API-13A):
CMC-HV | CMC-LV | ||
Apparent viscosity(mPa.s) | Distilled water | 30min | 90max |
40g/L salt water | 30min | --- | |
Saturated salt water | 30min | --- | |
Filtration loss(mL),API-13A | 10max | 10max | |
Evaluation degree | Filtration loss | ☆☆ | ☆☆ |
Thickening | ☆ | ☆ | |
Shale inhibition | ☆☆ | ☆ | |
We also can produce according to customer special requirement.
Application: Oil drilling grade CMC used in fracturing fluid ,drilling fluid and well cementing fluid as fluid loss controller and viscosifiers. It can protect the shaft wall and prevent mud loss thus enhance recovery efficiency.
Packing Storage:
Packed in Kraft paper bags of 25kgs net each. 18 months under dark, cool and dry conditions.