COMPOSITION FOR THE MANUFACTURE OF WORKING MOLDS OF CELLULAR PLASTIC MATERIALS OF CERAMIC INDUSTRY

摘要

the invention refers to a composition for the manufacture of poroplast thing, used in ceramic industry.the composition according to invention, is constituted of powder obtained by crushing and macinarea forms of work poroplast sewage anda mixture consisting of polyvinyl chloride,epoxy resin with fix, with or without solution of rosin, quartz or alumina powder, novolac, polyamide, hexametilentetramina and stuffing anorganica or organic.according to the invention, the composition, effective in conditions is achieved by exploiting the integral forms of work poroplast worn or taken from the nomenclature,which allows full recovery of raw materials used in the manufacture of these forms.