ZOc-G71S is a kind of polyvinyl alcohol fluid loss additive. In the temperature of 20 to 115℃, it can effectively control fluid loss, reduce free water, improve cement slurry’s settlement stability. It also has excellent anti- channeling function. ZOC-G71S can only be used by dry mixing. It requests use freshwater to mix slurry. And it does not anti-salt.
Temperature: 20℃~115℃ (BHCT).
Recommended dosage: 2.0~3.0% (BWOC).
Applicable in every kind of cement slurry systems,which are composed by every grade of oil-well cement(defined by GB10238 or APISpec10A) and other additives(just like silicon powder, drift beads, flyash, bentonite, barite powder and hematite).
It can be used together with medium temperature retarder ZOC-H21L, early strength agent ZOC-A90S and disperser ZOC-F41L.
It should be stored in cool, dry and ventilated areas and avoid being exposed to the sun and rain.
Shelf life:24 months.
Packaged in 25 Kg multi-ply paper sack with waterproof plastic film inside. Or based on customers' request.