Abrasive Industry News & Expert Sanding Guides | USA1 Abrasives
Aluminum Oxide vs. Silicon Carbide vs. Ceramic: Which Abrasive is Right for Your Project?
Posted by USA1 Abrasives on
Choosing the wrong abrasive doesn't just waste money—it can ruin a workpiece or double your labor time. In the industrial world, there is no "one-size-fits-all" sandpaper. To get the best results, you need to match the mineral grain to your material's hardness and heat sensitivity. Below is the technical breakdown of the three industry titans: Aluminum Oxide (AO), Silicon Carbide (SiC), and Ceramic Alumina. The Technical Comparison Chart Feature Aluminum Oxide (AO) Silicon Carbide (SiC) Ceramic Alumina Grit Color Brown, Pink, or White Charcoal / Black Red / Purple / Orange Hardness (Mohs) 9.0 9.5 9.0+ (Micro-crystalline) Best Used...