1. Retain walls 2. Prevent loss of mud 3. Enhance drilling speed 4. Protect drill bit 5. Competitive price 1. Product PerformancesCMC, functioning dehydration and viscosity improvement in drilling fluid,cementing fluid and fracturing fluid, can retain walls, prevent loss of mud, carry cuttings, protect drill bit and enhance drilling speed.2. Technical Specifications of Drilling Fluid CMCModels / ...