competitive e-bidding for supply of refractory material for bisalpur kisan sahkari chini mills ., ltd., bisalpur ( pilibhit ) for the season 2025-26 , heading , super heat duty fire castable refractory duly packed in50 kg.bags strength as per is spec for 45% alumina. , fire cement dry duly packed in 50 kg. bags for 45% alumina. , fire clay (calcined) for 45% alumina. , magnesia grade –a 85% purity. , standard fire bricks. for 45% alumina. , standard fire bricks ( insulated) for 45% alumina. , special fire bricks as per our drg./sample. for 45% alumina. , calcium silica block in std. size. (24”x6”x2”) , magnesia ( silica ) block size – 9” x 4.1/2” x 3” , sun cast super special heat duty castable refractory having 55% alumina packed in 50 kg. bags sutaible for heating resistance 1200 deg.c