... to salt, base and moisture, compatible with sea HaicelRCMC/PAC Oil Drilling GradeHaiceRCMC/PAC is a high-purity, high-efficiency slurrying ... volume, reduce filtration loss.Has excellent performance in drilling of oil.Types and specificationProperty TypeDial reading at 600rpm, Fann 35 viscometerAPI-13AFiltrate ... net each. 18 months under dark, cool and dry conditions. oil drilling grade cmc