Mr.Outback Posted August 17, 2021 Share Posted August 17, 2021 In most cases the order of application of Optimum products is pretty clear. But there are gray areas..... EX: when the wash product contains its own "coatings". It seems M-wash, which worked well on my Subie, has a fluoropolymer component that helps repel airborne metal contamination. Subie had been previously coated with Hyper-seal. Would the previous hyper-seal (3 months old) cause any bonding issues with M-wash's polymer? Quote Link to comment Share on other sites More sharing options...
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