tender for bonded fibre glass wool with backing of one side aluminium foil,thickness 25mm, density 16kg/m3, in roll packing of minimum width 1200 mm,conforming to specification is 8183/93 and other requirements as per annexure ii ofbvcm particular specification wd-01- bvcm-2017. note : the supplier should submittest certificate obtained from govt. approved test houses or nabl accreditedlaboratories for the materials supplied in proof of having complied with is 8183/93standards .