sdfr chem CMC & PAC can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability, flexible, #polyanionic#cellulose#pac ... moreCMC & PAC can be used as fluid loss reducer or viscosifier in drilling fluids. The function of CMC is to reduce the fluid loss as much as possible through forming low permeability, flexible, #polyanionic#cellulose#pac https://www.sdfrchem.com/products/oil-drilling-grade-cmc-pac.html