Xanthan Gum oil drilling grade 1.CAS No.:11138-66-2 2.Pacing:25kg/bag ,tons/20'FCL 3. 80/120/200 mesh 4. SGS/ISO/CCIC Xanthan Gum (Xanthan) Oil drilling grade Xanthan Gum, which is mainly made from starch, is a high molecular weight polysaccharide produced by fermentation with Xanthomonas Campestris under the conditions of special nutrient medium, PH, O2-supply and temperature, the purified, ...