supply of refractory material etc. , 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 per size 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”