
Rust-Oleum Stops Rust Gloss Crystal Clear Oil-based Spray paint ( NET WT. 12.0-oz )
Can it be used to coat acrylic paint on a canvas board coaster and will it take a hot mug?
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Happy to help! While Rust-Oleum Stops Rust Clear Enamel Spray can be used on previously painted surfaces, we recommend a test application first since the surface is canvas. This product cures to a hard finish, and can crack and peel over fabric or other flexible surfaces. In ideal conditions, this product fully cures after 1 week, so we recommend waiting at least that long before exposing the surface to condensation, since this can cause hazing on the surface. - Rust-Oleum Product Support 3
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