Methyl hydroxyethyl cellulose provides many of the same benefits as other methyl cellulose derivatives, such as the ability to efficiently thicken and provide water retention, These products, offered by Celotech Chemicals under the CELOPRO® MH brand, are highly effective additives used to improve the quality and processing characteristics of building materials such as plasters and renders, mortars, tile adhesives, skim coat, wall putties, joint compounds and even emulsion paints.