Zhengzhou Zhengtong Abrasive Import&Export Co.,Ltd
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 2000MTS per month |
| Delivery Time | Within 3-7 days depending on the order quantity |
| Packaging Details | Ton Bag, 25kg Bag+Ton Bag, 25kg Bag+Pallet |
| Product Name | Black Aluminum Oxide |
| Usage | Sandblasting,Grinding,Lapping,Polishing |
| Crystal Structure | Trigonal |
| Mohs Hardness | 8.0-9.0 |
| Bulk Density | 1.68-1.22 g/cm3 |
| Specification | F12-F220 |
| Brand Name | Yeda |
| Model Number | F12-F220 |
| Certification | ISO9001,ISO14001 |
| Place of Origin | Henan,China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 2000MTS per month |
| Delivery Time | Within 3-7 days depending on the order quantity | Packaging Details | Ton Bag, 25kg Bag+Ton Bag, 25kg Bag+Pallet |
| Product Name | Black Aluminum Oxide | Usage | Sandblasting,Grinding,Lapping,Polishing |
| Crystal Structure | Trigonal | Mohs Hardness | 8.0-9.0 |
| Bulk Density | 1.68-1.22 g/cm3 | Specification | F12-F220 |
| Brand Name | Yeda | Model Number | F12-F220 |
| Certification | ISO9001,ISO14001 | Place of Origin | Henan,China |
| High Light | aluminum oxide abrasive media ，recyclable aluminium oxide abrasive | ||
Low Cost Black Aluminum Oxide Emery F24,F30,F36,F46,F80 for Resin Cutting Discs
1. Product Description of Black Aluminium Oxide
Black Aluminum Oxide is a black crystal with Al2O3 and iron spinel as the main ore phase,
it selected the high alumina bauxite, high iron bauxite or iron oxide scrap as the main materials,
then melted in an electric arc furnace under high temperature .
2. Main Technical Index of Black Aluminium Oxide
| Main Physical Index | |
| Color | Black |
| Crystral Structure | Trigonal |
| Mohs Hardness | 8.0-9.0 |
| Vicker Hardness | 2000-2200kg/mm2 |
| Specific Gravity | ≥3.5g/cm3 |
| Bulk Density | 1.68-1.22 g/cm3 |
| Chemical Index | Al2O3≥60% Fe2O3 6-12% |
| SiO2≤25% TiO2 2-4% | |
| Grit Size | F12-F240#,F260-F400# |
| #325-0,#500-0 ,#1000-0 | |
3. Main Products Features:
High Effciency
Strong cutting force and good self-sharpening which are able to improve the cutting or polishing efficiency.
Smooth finish with little surface discoloration
Moderate hardness,little heat generated in surface,not easy to burn the treatment surface when polishing
or cutting process,achieving smooth finish with little surface discoloration.
Better price /performance ratio
Cost is much lower than other abrasives(aggregate) with equivalent performance.
Environmental friendly
Waste comprehensive utilization, melting crystallization, noharmful gases generated in the whole production,
so it is one environmental friendly abrasive.
4. Main Application of Black Aluminium Oxide
Black Aluminum Oxide is widely used for making resin cutting discs mixed with brown aluminum oxide,
the popular grain size is F24,F30,F36,F46,F60,F80 etc.
It is suggested to use 25% black aluminum oxide to partly replace brown fused alumina with the same grit size
or one more coarse grit size than the original one, it will achieved better grinding effect if adding 5% black alumina
F70&F80 to make the resin cutting discs more smooth.
In addition,Black Aluminum Oxide P40,P60,P80 is widely used for making coated abrasives (jumbo rolls,sand belts
etc.)together with the brown one.
It also has the other application in blasting,polishing for stainless steel tableware,anti-skip wear-resistant materials,
polishing wax, refractories etc.
5. Product Package:
6. Why Choose Us?
20 years professional black aluminum oxide manufacturer;
Most advanced production line and testing equipment;
Stable quality and favorable price;
More than 20 invention & utility model patents;
Certificated by ISO9001&14001;
Main Suppliers of Saint-gobain group,Fosroc group etc.
Company Details
Business Type:
Exporter,Seller
Year Established:
2017
Total Annual:
3000000-5000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Zhengzhou Zhengtong Abrasive Import & Export Co., Ltd is specialized in providing ceramia beads blast -ing media, Zirconia beads grinding media and Aluminum Oxide abrasive using in grinding, polishing cutting, sandblasting and refractories. ... Zhengzhou Zhengtong Abrasive Import & Export Co., Ltd is specialized in providing ceramia beads blast -ing media, Zirconia beads grinding media and Aluminum Oxide abrasive using in grinding, polishing cutting, sandblasting and refractories. ...
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