MAISI hydroxyethyl methyl cellulose (HEMC) is a non-ionic cellulose ether polymer based on cellulose, a natural polymer derived from refined cotton linter. Part of the hydroxyl group in its molecular structure is replaced by methoxy and hydroxyethyl, which can form a transparent and viscous solution in an aqueous solution, It has the properties of thickening, adhesion, suspension, dispersion, emulsification, film formation, surface activity, moisture retention, and colloid protection, etc.