WHAT IS GLASS FUSION?
Glass Fusion is the technique of joining two or more pieces of glass by heat in a kiln. ... In a full fuse, on the other hand, glass is heated until it becomes molten. Fusing requires a special type of glass however, there are different glasses and you must use glass of the same type so to be compatible with each other. If not, the glass can crack or bubble or even explode in the kiln during the fusion process.
We use a variety of glass "extras, some we make others we purchase. The is frit which is broken shards of glas in sizes ranging from extremely course to a very fine powders. We make cards and picture with these powders. This process is depicted below.