Product Introduction Partially Hydrolyzed Polyacrylamide Powder for Reactive Shale Encapsulation Reactive shale can disintegrate into fines before conventional solids-control equipment can remove it. BLUFLOC powder PHPA is described in the supplied family TDS as a water-soluble copolymer of anionic character used in drilling-fluid and selected oilfield applications. The four powder grades span very-high and ultra-high molecular-weight classes with medium or high charge. The