arc for procurement of refractory material for use in mrpl refinery unit (gst applicable) and mrpl aromatic complex sez unit - ferrotol black stack paint, whytheat a, insulyte 15li, insulating castable lhv 1:2:4 (cast), dense castable, low iron insulating castable, high duty fire bricks, hot face coating -zir coat, ss-304 foil 1m(w) x 0.1mm thk, fire bricks size 230 x 114 x 64 mm, fire brick axe 40 230x114x76/ ciria hdfb 40 lf/ fcb, 40, tabcast 97 or equivalent, ba32301 castable-firelite lwhs