Bonded Fibre Glass Wool With Backing Of One Side Aluminium Foil, Thickness 25Mm, Density 16Kg/M3, In Roll Packing Of Minim Um Width 1200Mm. Is:8183/93 And Additional Requirement As Per Annexure Ii Of Bvcm Particular Spec Wd-01-Bvcm-2017 [ Warranty Peri Od: 30 Months After The Date Of Delivery ] ]