We can provide xanthan gum in food grade, industrial grade and pharmacetical grade. We have certification with ISO9001, ISO22000, ISO14001, OHSAS18001 ... pH and salinity. It can extremely increase the mud penetration rate and suspension ability to the drilling-cuttings. ... , work-over and completion.Product TypeFood grade 40 meshFood grade 80 meshFood grade 200 meshDairy and yoghourt based, Food ...