Matte vs Gloss Sanding: How Micro-Scratches Control Final Sheen (400–3000 Grit Guide)
The final appearance of a finish—whether satin, semi-gloss, or mirror-bright—depends less on the coating itself than on the micro-scratches left by sanding. By tuning grit size and direction, you can dial in the exact sheen you want, from soft matte...