tender for inhibited mineral insulating oil conforming to is 335(2018)as per rdso letterno:ti/psi/insoil/policy/19 dt:26/07/2019and with the following additionalcharacteristics requirements. i)oxidation stability, a)neutralization value afteroxidation[max]requirements,0.2mg koh/gm. b)total sludge after oxidation[max]requirements 0.05 bymass.ii)ageing characteristics after accelerated ageing requirements, as pers.no.xiii of table of is:335-1993.(iii)oxidation inhibitor (dbpc) content (max)requirements, range (0.25 - 0.30) by mass.(inspection:rites) .
