procurement of insulation materialof unit -1 o / h for b&a-1, stage- 1 ( 2*300 mw ) : , rockloyd, min density 150kg / m3 resin bonded rock wool slab, conforming to is: 8183 1000x500x75mm ( rockloyd resin bonded rock wool slab having minimum density 150kg / m3, conforming to is: 8183. the size of the slab will be 1000mm x 500mm x 75 mm. ) , ceramic fibre blanket from long spun fibres.these can withstand continuous exposure up to 1260c, the size of material shall be 7300 mm x610 mm x25 mm, min density 128kg / m3 without binder, confirming to is code 15402 , mattres, rock wool, lightly resin, bonded lrb ( dimensions-1640mm x 1220 mm, thickness-50mm, density- 100kg / m3 , service temperature up to 750 celsius, backed with one side gi wire netting- 1 / 2x22g, conforming to specification as per is:8183, test method as per is:3144 )