tender for supply of boiler refractory accessories for season 2025-26 - castable refactory a.c.c. 3 castable refactory abve 45% alumina suncost 4 fire cement dry a.c.c. 5 fire cement good quality above 45% sun brand alumina 6 fire cement liquid a.c.c. 7 fire cement liquid other standard quality 8 standard fire bricks as per is-b above 45% alumina size 9 x 4½”x 2 9 9 x 4 ½” x 2½” 10 9 x 4½”x 3 11 9 x 4½” x 1 12 special fire bricks as per is-b above 45% alumina as per sp-13 drg. no. rb-m-43r size 13 3/53 14 4/53 15 5/53 16 6/53 17 other special bricks as per is-b drg. no. above 45% alumina 18 insulation bricks standard 19 insulation cotton (glass wool) 20 tile bricks 1 x 1 x 3 21 plain tile bricks magenesia size 305 x 153 x 50 mm thick 22 super castable refactory above 45% alumina (sun cast super) 23 accoset 50 24 liquid silicate 25 glass wool 26 b-92 drg. no. rb/m-56r 27 b-93 drg. no. rb/m-256 28 54 ax drg. no. rb/m-54 ax 29 d1 drg. no. rb/m-164 r 30 163-c drg. no. 163 c 31 163 d drg. no. rb/m-163 d 32 177/4 drg. no. rb/m-177/4 33 tile bricks size 310 x 480 x 65 mm