Chestnut Brown Opal
Products formulated and "Tested Compatible" especially for fusing, slumping and other hot glass work. This Spectrum line of sheet glass (denoted by the ?SF? suffix) is complemented by many specialty glass products, including glass frits, noodle, stringer, dichroic glass, and casting materials, made and supplied by System 96 partner companies. All System 96 products are tested against an identical standard to insure compatibility of viscosity and expansion coefficient.