I wouldn`t consider SF a dressing. It won`t run like a dressing. It`s dry to the touch. I was treating the windshield cowling, so kind of hard not to work near the glass. The harder part was not getting SF on the wiper arms, which it did and had a pleasant surprise. The carbon black (dye) seemed to soak into the powder coat. Maybe the linseed oil in SF hydrated the powder coat too?
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