FUSED SILICA TBF-104 EX JAPAN Published September 18, 2014 | By yuliashintaindon – Specification : Al2O3 = 0.10% B2O3 = 0. 00% SiO2 = 99.50% Fe2O3 = 0.10% max – Temperature : 1600°C – Usage : Melting of FC and FCD 1550 °– 1600 °C – Packing : 25Kgs Bag