Our product has the advantage of content, low Ferro content and low melting point. Calcium Aluminate Cao: 46%-51%, 47%-52%, 53%-57%, 25%-30%, 30%-35%, 45%-50% Al2O3: 38%-43%, 41%-45%, 30%-38%, 53%-55%, 55%-58%, 30%-35% TiO2(max): 2% SiO2(max): 5% MGO(max): 2% Fe2O3(max): 1.8% Size: 0--35mm or as your need Melting point: 1350 temperature--1400 temperature In 1 MT bags,25kgs paper bags