PROCESS FOR MANUFACTURE OF HARD MINERAL FIBER SLABS WITH COATING

摘要

This disclosure teaches a method of manufacturing hard mineral fiber slabs with a surface finish produced from paper impregnated by a spirit solution of phenolformaldehydrate resin, adding at the same time a spirit solution of stearine and a water-spirit solution of hexamethylenetetramine together with a wetting agent. The paper is pressed onto a carpet made of mineral fibers impregnated by resin.