Polished the section of the rear bumper I tried to blend a couple weeks back- got a confidence boost from this one.
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Might experiment next spring with just clearing over some sections with a slow reducer. Over-reduced this batch of clear to 15% (UreChem recommends a limit of 10%) with a medium grade reducer at the lower end of its temp range, didn’t peel off when I buffed it, so it adheres to 800 grit scratches nicely. And with a minimal blend edge at that.
Oh, and this is the best $150 I ever spent on a tool:
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Variable speed on a mosfet trigger, nicer than my 11” ATD variable speed, as it instantly starts when you pull the trigger.