supply of magnetic ink paste black colour for magnetic particle testing in visible light as per the following conditions 1) ink colour: black colour 2) ink in the form of paste and oil suspension medium 3) as per is specification: 6410, astm e 1444 and astm e 709 and rdso/m&c/ndt/109/2007, (rev-2) july 2020 4) packing in 1 kg container, every bottle with guarantee certificate and proportion of mixing from oem requiredmagnetic ink paste black colour for magnetic particle testing in visible light as per the following conditions 1) ink colour: black colour 2) ink in the form of paste and oil suspension medium 3) as per is specification: 6410, astm e 1444 and astm e 709 and rdso/m&c/ndt/109/2007, (rev-2) july 2020 4) packing in 1 kg container, every bottle with guarantee certificate and proportion of mixing from oem required,magnetic ink paste black colour for magnetic particle testing in visible light as per the following conditions 1 ) ink colour: black colour 2) ink in the form of paste and oil suspension medium 3) as per is specification: 6410, astm e 14 44 and astm e 709 and rdso/m&c/ndt/109/2007, (rev-2) july 2020 4) packing in 1 kg container, every bottle with guara ntee certificate and proportion of mixing from oem required [ warranty period: 30 months after the date of delivery ] ]