Tender for Corrigendum : Invited From Manufacturers / Suppliers Having Adequate Experience For Supply Of Insulation Fire Bricks To Reputed Firm / Plant. - Insulation Fire Bricks, 68-72% Alumina Fire Bricksspecifications:al203: 68-72% (minimum), Fe203: 3.0 (maximum), Bulk Density (gm/cm3): 2.6 Minimumapparent Porosity: 23% Maximumccs: (kg/cm2): 500pce O/c: 35+rul Ta-te: Ta + 1450 C, Te + 1600 Cplc At 1450 C For 5 Hrs: 2.5 % Maximum Dimension: As Per Drawing No.-21:00:216 Dimensional Tolerance: 1.5% Or 2 Mm Whichever Is Moreidentification No/mark Should Be There On Each Brickmake :dalmia/rhi/tata/caldery S (acc) Only. in Bokajan - Assam

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