... , sobbitol, Arabic gum, pectin, xanthic gum and dissolvable starch.Specification:Physical Specification of CMC for Oil drilling liquids & Oil drilling liquids properties ... ,mPa•s15 min15 min15 minFiltration loss,ml9 max9 max8 maxTechnical Specification of CMC for oil drilling liquids (According to GB/T5005 ...