supply of refectory material , calderys india refractories ltd ( formerly ace ) or mahakaushal make fire cement accoset -50 ( normal ) in 50 kg. bag from authorised dealer with test certificate. , calderys india refractories ltd ( formerly a.c.e. ) or mahakaushal make fire castable fire crete ( normal ) in 50 kg. bag from authorised dealer with test certificate. , fire clay , mmtcl make creamic board suitable for 1200 degree centigrade temp. size 100 x 600 x 50mm , high heat duty standard fire bricks as persize 9” x 4.1 / 2” x 3” , high heat duty insulation fire bricks as per size 9” x 4.1 / 2” x 3” , high heat duty fire bricks as persize 9” x 4.1 / 2” x 3” x 2.1 / 2” ( side arch ) , red soil bricks ( boiler outer face ) size 9”x4.1 / 2”x5”