Tender For tender for supply of heater and boiler refractory material - high duty fire bricks , cermic board , whytheat a , insulyte 15li , insulating castable - lhv 1 ratio 2 ratio 4 (cast) , dense castable , low iron insulating castable , module with ss316 z blockiii anchor , m module with ss316 pbm anchor , module without anchor , hot face coating -zir coat , ferrotol black stack paint , ss-304 foil 1m(w) x 0.1 mm thk , cera blanket 1260oc 3650x610x50thk , cera blanket roll 7300x610x25 mm 96 kg per m