Reliance Cellulose Products Ltd manufactures Polyanionic Cellulose for Fluid Loss Control [Pac]. Reliance Cellulose Products Ltd is an ISO 9001 -2000 certified company. Polyanionic Cellulose for Fluid Loss Control is a good drilling fluid. It promotes a fast rate of penetration and it stabilizes shales. Polyanionic Cellulose for Fluid Loss Control puts a protective cake, over porous sections. The product is used for controlling pressure in Oil Well Drilling Mud. Polyanionic Cellulose is available in two grades: Low viscosity and Regular grade.