Loesung zur Behandlung der Laengskanten von Gipskartonplatten waehrend der Herstellung

摘要

Solution for treating the edges of sheets of gypsum board during manufacture consists of (in % by wt.) 4-25 glycol, 40-50 water, 25-50 urea, and pref. of 25 glycol, 47 water and 28 urea.