How Do You Make Melted Wine Bottles?
The art of melting wine bottles is called slumping. According to Connie Brown of glass-fusing-made-easy.com, you should do a little research to understand annealing, devitrification (in which a whitish crust appears on the glass when it is kept too long at high temperatures), and how to prevent thermal shock to the glass in your kiln. Once you have a basic understanding of the equipment and principles involved, it is relatively easy to make your own melted wine bottles. Wash your wine bottle thoroughly with hot, soapy water. Remove the labels and any trace of adhesive. Allow the bottle to dry completely. Clean the kiln shelf and line it with kiln paper or spray it with kiln wash to keep the glass from sticking to the shelf. If you are using a mold, spray it with kiln wash as well. Place the bottle on the kiln shelf, or on the mold if you are using one, and close the kiln. Turn on the kiln and slowly warm it up. Increase the temperature about 500 degrees F for each hour until it reaches