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