With great pleasure we introduce overselves as the manufacturers of HIGH ALUMINA REFRACTORY BINDER ( AL2O3 50%) at our works, product name ARROW CAST-50Our quality being equivalent to arrow cast- 50 of Lafarge and colundum of ACC. We being in quality and are suppliers to nearly all majour refractory & casteble manufactures.Expecting your valuable order, here with attached our standard specification.PRODUCT DATACHEMICAL ANALYSISAL2O3 : 47 % ( min)CAO : 34 % (max)FE2O3 : 5 % (max)SIO2 : 5 % (max)PHYSICAL ANALYSISSpecific surface : 3300 cm2 /gm (min)Setting Time Initial : 30 minutes (min) Final : 400 minutes (max)CCS ( Sample made with Standard Sand )One day : 300 kg / cm2One day + one day 110c : 350 kg / cm2