Which property describes how smoothly a coating spreads and levels after application?

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This question tests how a coating behaves after it's applied, specifically how smoothly it spreads and levels. Flow-out, flowability, and leveling describe the coating’s ability to spread evenly under surface tension and gravity and to even out to a uniform film, reducing brush or spray marks and orange-peel texture. Good flow-out means the liquid film smooths and fills in imperfections, giving a clean, uniform finish as it levels while the solvent evaporates. In contrast, adhesion is about how well the coating sticks to the substrate, flexibility concerns how the coating resists cracking with movement, and curing time refers to how long it takes the coating to harden fully. So the property described is flow-out / flowability / leveling.