supply of refrctory 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 per size 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 كة size 9 x 4.1/2 x 3 x 2.1/2 (side arch) per red soil bricks (boiler outer face) size 9x4.1/2x5