Comparing Aluminum Oxide, Silicon Carbide, and Ceramic Abrasives: Which Lasts Longer? (80–3000 Grit Durability Tests)
All sandpaper looks similar until you start sanding. The mineral on the surface—aluminum oxide, silicon carbide, or ceramic—determines everything: how it cuts, how it wears, and how long it lasts. This breakdown explains which abrasive works best for wood, metal,...