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Grit Black Oxide Aluminum 

Minimum Order Quantity : 1mt Price : Negotiation
Packaging Details : 25kgs bags+Pallet, or 25kgs bags+ Ton bag Delivery Time : 7-30 days
Supply Ability : 15000mt per year
Place of Origin: Henan, China Brand Name: YEDA
Certification: ISO9001, ISO14001 Model Number: F12#-F220#

Detail Information

Color: Black Chemical Index: Al2O3 62%min. Fe2O3 6-12%, SiO2 25%max. TiO2 2-4%
Crystal Structure: Trigonal Hardness: 8.0 Mohs, 2000HV
True Density: 3.50g/cm3 Application: For Cutting Discs, Sandblasting, Coated Abrasives, Polishing And Wear-resistant Pavement
High Light:

abrasive aluminium oxide


alumina grit blasting

Product Description

Black aluminum oxide for bonded abrasives cutting disc mixing with BFA

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Black aluminum oxide, also known as low-aluminum corundum, is a black gray crystal with α-Al2O3 and iron spinel as the main ore phase, produced by melting aluminum bauxite in an electric arc furnace, which is characterized by low Al2O3 content. There is a certain amount of Fe2O3 (about 10%), so it has the characteristics of moderate hardness, high toughness, high temperature resistance and stable thermal performance.

It is mostly used for free grinding, sandblasting, and polishing. Such as grinding and rough grinding before electroplating of products, sand blasting of stainless steel, metal products, optical glass, bamboo and wood products, and is also a novel abrasive for manufacturing resin grinding wheels, cutting discs and abrasive cloths.

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Commodity: Black Fused Alumina

Production Type: Tilting Furnace, Rolling crushing or Barmac Crushing

Al2O3 SiO2 Fe2O3 TiO2
62%min. 25% max. 6-12% max. 2.0%-4.0%


Color Crystal Form True Specific Gravity Vickers Hardness
Black Trigonal Crystal 3.50g/cm3 2000kg /mm2


Sizes-Grit Sizes-Section sand Micropowder
F12#--F280# 0-1mm 1-3mm 3-5mm 5-8mm F280#--F1000#

Grain Composition: GB, FEPA, or as per client's standard


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Package: 25kgs bag+ Ton bags or Pallets or as per customer's requests.
Delivery: 10-30 days on board according to quantity 25-200mt.
FOB Tianjin, China

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The application of BA grit size: F12-F220#, especially 20#, 24#, 30#, 36#, 46#

Applicable to produce Resin-bonded cutting disc by mixing with BFA

Adding15%-30% black aluminum oxide grits with brown fused alumina to produce resin bonded cutting discs can improve the cuttings discs work life and the incision quality. Moreover, it can reduce the production cost obviously.


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Why Choose us?

1) 20 years abrasive industry experiences

2) The biggest black fused alumina producer in China, one of Top 10 corundum manufacturers in China

3) Well-known brand in China Abrasive Industry

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Caroline Cui

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