Table of Contents » PDF Downloads » Uncommon Clays, Glazes & Processes Uncommon Clays, Glazes & Processes These pdf.’s are clay & glazes recipes, or processes from schools, workshops and classes. refractory stucco: Anderson Ranch commercial fritt chart crystalline glazes making CMC water paper clay: Lauffer plaster clay ARAC, porcelain enamel porcelain enamel: Zwengardt how to use the pugmill: Wiliam & Mary