Product Introduction PHPA Powder Mixing at 200-500 RPM The TDS describes about one hour of stirring and a propeller-type stirrer at 200-500 rpm, but rpm alone does not define tank mixing intensity. 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