... Use: food,paper making, textile, construction, cement, oil drilling Purity: 80-99.5%min Certificate:ISO9001 Carboxy Methyl ... alcohol, ether, acetone and other organic solvent.1 Grade: Food, oil drilling, textile, detergent, construction, paperA Food grade CMC is widely ... and improve retention rate in pulping.D Oil drilling grade CMC used in fracturing fluid, drilling fluid and well cementing fluid as ...