System 96 products are formulated and "Tested Compatible" for fusing, slumping and other hot glass work. This Spectrum line of sheet glass (denoted by the SFΝ suffix) is complemented by many specialty glass products, including glass frits, noodles and stringers. All System 96 products are tested against an identical standard to insure compatibility of viscosity and expansion coefficient. NOTE: Glass is also available in full stock sheets 1220x610mm Š—– Please contact the stained glass office for more information 0151 207 1474 (option 3) or sg@pearsons-glass.co.uk