... 50,000TONS annually Competitive price Prompt delivery driling fluids CMC 1, high degree of substitution, good uniformity of ... substitution,Mainly used in oil drillingdrilling fluids CMC : 1, high degree of substitution, good uniformity of ... Petroleum grade Product: PAC-LV, PAC-R, CMC-LV, CMC-HV TYPES AND SPECIFICATION CMC (API-13A.B) Property TypeViscosity ( Dial reading ...