Gmm Pfaudler Ltd manufactures Glass Coatings for Chemical Apparatus. Gmm Pfaudler Ltd is an ISO9001 certified company. Glass Coatings for Chemical Apparatus or Type 4300 glass have acid resistance. This is due to their acidic components and structure. These coatings represent a new aspect of this tradition and are designed to bridge a perceived gap in the application range. Its primary application is based on improved alkali resistance. Glass Coatings for Chemical Apparatus are advisable wherever alkaline conditions prevail during the cycle, or as a result of concentration and temperature, or where concentration and/or temperature conditions exceed permissible limits for conventional glass. These materials are encountered with liquid additives, dissolved substances or gases which may have positive or negative effects on resistance.