This glaze can dry on metal without cracking, even though it is thick!
This sample of glaze was dried under a heat lamp to measure its water content. If a glaze that is this thick can crack this little during drying and adhere even to stainless steel there is absolutely no reason you need to suffer glazes cracking during drying on bisque ware. This one is very high in frit with about 15% No. 5 ball clay. Drying cracking problems can be fixed using Digitalfire Insight, it enables you to juggle a recipe to reduce and substitute plastic ingredients while maintaining the chemistry.