procurement of insulation materials for upcoming o/h of unit-2, sgtpp , procurement of insulation materials for upcoming o/h of unit-2, sgtpp , rockloyd,min density 150kg/m3 resin bonded rock wool slab,conforming to is: 8183 1000x500x75mm , 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