heat resistant porcelain enamel composition using vermiculite and manufactured coatings on ferrous base

摘要

The enamel is produced from an aq. clay suspension prepd. from (a) 100 - 650 pts. wt. scaled, powdered vermiculite; (b) 100 pts. wt. alkali silica - based porcelain enamel frit; (c) 0 - 6 pts. wt. enamel clay; (d) 0 - 2 pts. wt. electrolyte; (e) 0 - 0.5 pts. wt. setting agent and (f) 100 - 600 pts. wt. water.