Supply Of \"non Destructive Testing Penetrants, Group i Conforming To Is 12889-1989 (reaffirmed 2000) With Non-aqueous Wet Developer. Packing : Each Set Comprising Three Items In Six Cans In The Ratio 1:2:3 The Penetrant Remover & Developer All In Aerosol Cans Of 500 Ml Capacity Each. The Material Content I N Each Aerosol Can Should Be 80 +/- 3% By Volume & The Ratio Of The Product To The Propellant 3:1 +/- 3%.\" [ Warranty Period: 30 Months After The Date Of Delivery ]