Zhengzhou Zhengtong Abrasive Import&Export Co.,Ltd
| Supply Ability | 15000mt per year |
| Delivery Time | 7-30 days |
| Packaging Details | 25kgs bags+Pallet, or 25kgs bags+ Ton bag |
| Color | Black |
| Chemical index | Al2O3 80%min. Fe2O3 4-8%, SiO2 10%max. TiO2 2-4% |
| Crystal structure | Trigonal |
| Hardness | 8.0-9.0 Mohs, 2000-2200HV |
| True Density | 3.50g/cm3 Min. |
| Application | For cutting discs, sandblasting, coated abrasives, and polishing |
| Brand Name | YEDA |
| Model Number | F12#-F220# |
| Certification | ISO9001, ISO14001 |
| Place of Origin | Henan, China |
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Product Specification
| Supply Ability | 15000mt per year | Delivery Time | 7-30 days |
| Packaging Details | 25kgs bags+Pallet, or 25kgs bags+ Ton bag | Color | Black |
| Chemical index | Al2O3 80%min. Fe2O3 4-8%, SiO2 10%max. TiO2 2-4% | Crystal structure | Trigonal |
| Hardness | 8.0-9.0 Mohs, 2000-2200HV | True Density | 3.50g/cm3 Min. |
| Application | For cutting discs, sandblasting, coated abrasives, and polishing | 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 ，aluminum oxide sandblasting abrasive | ||
Black Aluminum oxide blasting media F12#-400# Al2O3 62% Min.
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.
Two grades are available, one is ordinary grade, with Al2O3 60%Min., another is top grade, with Al2O3 80%Min..
The top grade BA is researched and produced to replace of 95% grade Brown aluminum oxide in bonded abrasives application and sandblasting application.
| Specification | Chemical Composition % | ||
| Al2O3 | Fe2O3 | SiO2 | |
| Ordinary Grade | 62% Min. | 6-12% | ≤25 |
| Top quality | 80% Min. | 4-8% | ≤10 |
| Items | Index |
| Color | Black |
| Crystal Structure | Trigonal |
| Hardness (Mohs) | 8.0-9.0 |
| Melting temperature(℃) | 2050 |
| Max. operating temperature(℃) | 1850 |
| Specific gravity(g/cm3) | 3. 50 Min. |
| Sizes Available: | |
| Ordinary Grade | Top-quality |
| Grits: F12#-F400 | Grits: F46#-F240# |
| Section sand: 0-1,0.4-1,1-3,3-5mm | Micropowder: F280-F1000 |
Package: 20kgs paper box+Pallets or as per customer's requests.
Delivery: 10-30 days on board according to quantity 25-200mt.
FOB Tianjin, China
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.
Sandblasting, ideal choice to replace 95% Al2O3 BFA
Black Aluminum Oxide girts can be used as blasting media to sandblast for Stainless steel, metal products, optical glass, bamboo and wood products for impurity cleaning, vessel body de-rusting cleaning, de-burring, surface decontamination , matte treatment, pre-treatment before coating, pipeline cleaning, Jean cloth sandblasting, etching art, stress relief etc.
Comparing with Grade A Brown Aluminum oxide (Al2O3 95%), and Grade B Brown Aluminum oxide (Al2O3 85%), Black aluminum oxide is with moderate hardness, and stable performance, can replace 95 BFA easily, and has stable supply and lower price.
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
4) Free samples to test
Caroline Cui
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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