Hydorxyethyl Methyl Cellulose(HEMC) is a nonionic cellulose derivative that dissolves readily in cold and hot water,it provides many of the same benefits as other methylcellulose derivatives, such as the ability to efficiently thicken and provide water retention, These products, offered under the MELOTEL GME brand, are highly effective additives used to improve the quality and processing characteristics of building materials such as plasters and renders, mortars, tile adhesives, joint compounds and emulsion paints.