Supply of Phosphating Chemical Kit No.2 Consisting Of 2Two Items:- Aitem No-1, De-Rus Ting Chemical Based On Ortho-Phospheric Acid As Per Is: 798 - 1986 Of Technical Sub-Grade No-1, B Item No-2, Hot Phosphating Chemical To Ensure Zinc Phosphate Coating As Per Is: 3618 - 1966, Class-B.Shelf Life 12-1 8 Months.The Ratio Of De-Rusting Chemical To Phosphating To Be 11:8. Supply Of Two Different Chemicals Should B E In Jars Of Different Colour Alongwith Identification Label Warranty Period: 30 Months After The Date Of Delivery