Black Corundum Oil Stone (BA)

It is a derivative of brown corundum, and its appearance is black. It is characterized by low alumina content and a certain amount of iron oxide (about 10%), so it has low hardness but good toughness. It is mostly used for free grinding, such as grinding or rough grinding before electroplating. oil stone for polishing is also used for making coated abrasives, resin cutting pieces, etc.

Specification of Black Corundum Oil Stone (BA):
Length: 150mm

Other Raw Materials: White Fused Alumina (WA)/Microcrystalline Fused Alumina (MA)/Single Crystal Corundum (SA)/Black Corundum (BA)/Green Silicon Carbide (GC)/Chrome Corundum (PA)/Zircon Corundum (ZA)/Black Silicon Carbide (C)

Black Corundum Oil Stone (BA) Materials that can be worked:
Aluminium

Other non-ferrous metals

Stainless steel (INOX)

Hardened, heat-treated steels over 1,200 N/mm2 (over 38 HRC)

Black Corundum Yankee Clipper Oil Stone (BA) Applicable Industries
Applications
Surface work

Rounding

Work on edges

Polishing

Fine finishing

Fine grinding in multiple steps

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