supply of magnetic ink paste (reddish brown color)magnetic ink paste (reddish brown color),magnetic ink paste (reddish brown color) for magnetic particle testing in visible light conditio n. magnetic ink paste shall meet following conditions 1).ink colour: red or reddish brown 2).ink in the form o f paste, suspension medium: oil 3).shall conforms to is 6410, astm e1444 & astm e 709 specifications and rdso/m&c/ndt/109/2007, (rev-2), july 2020. every bottle with guarantee certificate & proportion of mixin g from oem. make:- ferrochem or ferroflux or magnaflux or orion or equivalent. [ warranty period: 30 m onths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]