Paving Bitumen (Stem Refined Petroleum) In Grade 80/100 To Specn Is 73-1961 (Revised). Note: Firms Should Quo Te Rate Per Kilograms Only. As Per Specn. Grade 80/100 To Specn Is 73-1961 (Revised). [ Warranty Period: 30 Months After The Dat E Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]