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Which applications suit aluminum oxide and ceramic filament best?
Aluminum oxide covers stable everyday finishing; ceramic takes over on hard alloys and high-pressure heavy removal.
Both filaments share the same PA612 base and the same diameter and grit ranges, so they can run in the same brush designs. The difference is how the grains behave under load.
| Application | Recommended filament |
|---|---|
| General surface finishing on steel and stainless | Aluminum oxide - even wear, consistent finish |
| Edge radiusing before coating or anodising | Aluminum oxide - smooth, repeatable edge quality |
| Light to medium deburring of machined parts | Aluminum oxide - stable and cost-effective |
| Wood sanding and paint prep brushing | Aluminum oxide - gentle, uniform action |
| Deburring hardened steel and hard alloys | Ceramic - self-sharpening grains keep cutting |
| Heavy stock removal in robotic deburring cells | Ceramic - long life under continuous high pressure |
One line, both filaments
A common setup runs ceramic filament brushes at the aggressive stations and aluminum oxide brushes at the finishing stations. Because diameters and grits match, brush bodies and tooling stay interchangeable.
For fast-cutting prep on non-ferrous metals, see the Silicon Carbide Abrasive Filament FAQ.
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