Fuse Master produces hand spun custom Stainless Steel Casting Molds that offer unmatched performance when slumping or bending glass in a kiln. Stainless steel is the mold material preferred by most commercial glass benders because of how quickly it heats and cools allowing for shorter firing times than denser ceramic of cast refractory molds. Stainless steel glass bowl molds are extremely durable and will last for many, many firings.
It's important to properly prepare stainless steel glass kiln molds for slumping so that the glass releases well, has a smooth finish, and the mold lasts a long time. Here's what we think is the easiest option: How to Prepare a Stainless Steel Mold for Glass Slumping