bids are invited for insulating material type :lightly resin bonded matresses density :150 kg/m3 temperature limit :upto 750 deg.c standard :is 8183 dimension :1640 mm x 1220 mm x 50 mm or 1520x1220x 50mm with both sides ss 304 hex wire netting wire dia=0.71 mm,aperture=19.0mm lightly resin bonded rockwool mattress confirming to is: 8183-1993 duly machine laid & machine stitched. the material shall be packed in polythene laminated hdpe bags and marked with following marking details a) batch no. b) customer name/ project c) purchase order number/ date d) wire netting e) density f) thickness of mattresses g) no. of mattresses in the packing h) weight of the packing in kgs total quantity : 2600