non - slip properties are imparted to molded plastic articles by adhering a layer of latex or a latex - impregnated sheet material onto the surface of the molded article . preferably , the latex layer is applied prior to thermoset curing of the molded article and is adhered to the thermoset article during the curing process . the plastic may be reinforced , and the latex is preferably an acrylic latex impregnated into a sheet material such as cloth or paper .