Tender For supply of derust ws (de- rusting wet) or equivalent for removing heavy rust layers & chips from surfaces & fins oflhb wheel brake disc note: 1)chemical should be special hard abrasive almandite with hardness minimum 7 that meets garnet specifications or equivalent as mentioned in standard rcf specification qmts-ool rev 01 2) chemical should not irritate an operator skin or respiratory system. [ warranty period: 30 months after the date of delivery ]