procurement of fire crete special castable refractory and plastic refractory for overhauling job of pressure parts of unit 1, sgtpp. , procurement of fire crete special castable refractory & plastic refractory for overhauling job of pressure parts of unit#1, sgtpp. , fire crete super / ind fh-70/ equivalent refractory cement ( make-calderys additional data: al2o3: 68% to 72%, cao : 5.2% to 6.0% fe2o3: 4.8% to 5.5%, max. service temperature: 1450 ºc, dry density, g / cc after drying at 110 ºc / 24 hrs:2.40 to 2.60 ) , plastic refractory, single component service temp-max.1700 deg c, refractoriness- min.1820 deg , dry density (drying at 260 deg c for 3 hrs)=2.4-2.65 g/cc, grain size-6mm max, cold crushing strengt h=400-550kg/cm2 (after heating at 1500 deg c/3hrs)rnchemical analysisrn1) al2o3=80-90%rn2) fe2o3=1.25-1.5% ( make-calderys )