FIRE BRICKS FOR GENERAL USE Y-FB, GFB40, GFB42, GFB45 Al2O3(%)min.: 40%,42%,45% Refractoriness.:1710,1730,1750 2)High alumina brick3)Insulation brick TM23,TM26,TM284)Resist aid brick 5)Ceramic fiber blanket6)Castables, mortars ,cements, ramming mixes FIRE BRICKS FOR GENERAL USE Y-FB GFB40 GFB42 GFB45 Al2O3(%)min. 40 40 42 45 Fe2O3(%)max. 2.5 Refractoriness()min. 1710 1730 1750 1750 Refractoriness ...