... , cosmetics, pharma, for tile adhesive application HPMC K4M and Hydroxyethyl Cellulose (HEC), and HEMC, for dental, food, cosmetics, pharma, for ... tile adhesive applicationHEC,hydroxyethyl cellulose 1.degree of substitution: 1.8-2.5. 2. viscosity ... thickener, fluid modifier, protective colloid, stabilizer, water-loss controller HEC (Hydroxy Ethyl Cellulose)