Hydroxyethyl Cellulose (hec) : Hydroxyethyl cellulose (hec) is a white or light yellow fibrous or powdery solid, tasteless and nontoxic, and belongs to non-ionic soluble cellulose ethers. Owing to good thickening, suspending, dispersing, emulsifying, film-forming, water-protecting and providing protective colloid properties, hec has been widely used in oil exploitation, coating, building, medicine, food, textile, papermaking, polymerization and other fields.
