... ≥90 Low/Medium/High≤605-8WhitePowderApplication:1, Materials used for drilling mud additives, can reduce the friction of the ... used in flooding, fracturing fluid and selective water shutoff, for Enhanced Oil Recovery Significant Effect; 2, In the mining, ... Paper-making industry for the clarification of liquid caustic soda, fiber dispersing agent, can improve the beating, the filler retention agents, ...