Cell CMHEC,carboxymethyl hydroxyethyl cellulose, is anionic carboxymethyl and nonionic hydroxyethyl cellulose compound ether. It has combined property of CMC and HEC.It serves as thickening and filtration control agent in brines and completion fluids. In cementing, it is used as slurry retarder.
FEATURES ? Excellent tolerance to salt, calcium and magnesium. ? Reduce fluids loss steadily ? Environmentally safety ? thermal stable to 121&©|8451; |