Trapezoid Jewelry Blank
 
Will fit in a medium sized microwave kiln. Can be used in any other glass kiln as well. This mold is made of ceramic and designed to fuse glass. Our high quality slumping molds are slip-cast from specially formulated clay, and have a very smooth surface, accepts kiln-wash uniformly and does not crack under repeated use when handled correctly. For micro-kiln firing technique please contact us via e-mail.