HPMC K4M and Hydroxyethyl Cellulose (HEC), and HEMC, for dental, food, cosmetics, pharma, for tile adhesive ... application HPMC K4M and Hydroxyethyl Cellulose (HEC), and HEMC, for dental, food, cosmetics, pharma, for tile adhesive ... as thickener, fluid modifier, protective colloid, stabilizer, water-loss controller HEC (Hydroxy Ethyl Cellulose)