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Why is RustSeal Satin Black Glossier Than I Expected?

RustSeal Satin Black — and all matte sheens of RustSeal — are heavily pigmented. It is critically important to get all of the matting agents mixed back into suspension using a mechanical mixer attached to a variable speed drill (such as the KBS Hurricane Paint Mixer), or at minimum a paint stir stick. Effective mixing includes repeatedly touching the bottom of the can and lifting upward to fully disperse any settled pigments and matting agents.

CRITICAL: If RustSeal is not mixed well before each application — and occasionally during application — the finish can turn out glossier than desired. Do not skip this step.

Be sure to apply RustSeal in thin coats only to achieve a proper matte finish. Medium or heavy coats will cause the finish to appear glossier than desired.

If a flatter finish is desired, you can reduce RustSeal by 20% with KBS #1 Thinner or Xylene to help the matting agents distribute more evenly.

Don't judge the sheen too soon.

When RustSeal Satin Black is first applied, it can appear glossier than expected. This is normal — RustSeal Satin Black will matte down as it cures. Always wait the full 24 hours before evaluating the final sheen.

Ready to get a rock-hard, matte rust protection finish?

Shop RustSeal or review the full Application Directions before you begin. Have questions about your specific project? Our team is ready to help.

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