Choosing Structured Abrasives (Trizact) for a Uniform Sanding Scratch Pattern (220–3000 Grit Guide)
Traditional sandpaper cuts randomly—the grit distribution leaves uneven scratch depths that can telegraph through paint or polish. Structured abrasives like 3M Trizact™ use micro-replicated pyramids that wear down evenly, producing a consistent, predictable scratch pattern. Here’s how to choose and...