Oil Drilling Grade PAC polyanionic cellulose

"1) Evenly substituted, high transparency, control viscosity and reduce filtration loss
2) Applied in fresh water,seawater and brine water based mud system
3) Formulated mud show good filtration loss, brine-resistance and high temperature stable
4) Formulated mud show good rheology control,to inhibit clay or shale swell or collapse, hence to prevent well contamination
http://www.s-cmc.com/"

Oil Drilling Grade PAC polyanionic cellulose