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Products » Microgrits

The micrograins are produced in a specific grain size in order to be used in the polishing of metallic materials.

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AL

White Fused Aluminum Oxide

AL is a white aluminum oxide obtained from the fusion of calcined alumina in electric arc furnaces. AL presents high purity and high capability of edge reposition. It’s recommended for special applications where contamination is an issue to be considered.

Chemical Analytics by XRF (%)
Al2O3 Fe2O3 Na2O
99,16 0,08 0,59
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BT

Brown Fused Aluminum Oxide

BT is a brown fused aluminum oxide obtained by a reduction fusion of high quality bauxites in electric arc furnaces. Due to its high toughness, BT is recommended for high performance grinding wheels.

Chemical Analytics by XRF (%)
Al2O3 TiO2 SiO2 Fe2O3 MgO
94,76 3,10 1,12 0,35 0,37
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SFAR

Brown Fused Aluminum Oxide

SFAR is a semi-friable brown fused aluminum oxide obtained from the fusion of high purity bauxites in electric arc furnaces. SFAR presents good toughness and excellent abrasion properties, being recommended for high performance coated abrasives.

Chemical Analytics by XRF (%)
Al2O3 TiO2 SiO2 Fe2O3 MgO
96,79 1,94 0,51 0,25 0,16
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TB

Brown Fused Aluminum Oxide

TB is a friable brown fused aluminum oxide obtained from the fusion of high purity bauxites in electric arc furnaces. TB presents an excellent cost/benefit relation, being recommended for wood and dry wall coated abrasives.

Chemical Analytics by XRF (%)
Al2O3 TiO2 SiO2 Fe2O3 MgO
95,52 1,98 0,97 0,83 0,29