tender for inhibited mineral insulating oil as per type ii transformer oil of is 335:2018 and railwaysrequirement as per rdso letter no. ti/psi/insol/policy/19 dated 26.07.19 with the following additionalcharacteristics requirements 1) lowest cold start energizing temperature 0 degree c; 2) presence of oxidationinhibitor (dbpc-2, ditertiary-butyl-para-cresol) content range - 0.25 - 0.30, 3) oxidation stability: (a) totalacidity (neutralization value after oxidation (max) 0.2 mg koh/gm (b) total sludge after oxidation (max) 0.05by mass. note: base oil of 1 liter in each batch to be supplied along with transformer oil for lw/per quantity .
