
Factory Direct Sale Black Fused Alumina / Black Corundum
Ningxia Baiyun Carbon Co., Ltd.- Natural Abrasive Type:Natural Corundum
- Artificial Abrasive Type:Corundum Abrasives
- Application:for Grinding or Cutting
- Function:Surface Finish
- Source:Natural Abrasives
- Particle Size:Abrasive
Base Info
- Model NO.:BY-BFA
- Hardness:Conventional Abrasive
- Al2O3:70%-80%
- Fe2o3:6% - 9%
- Shape:Black Granules or Powder
- Mohs Hardness:9
- Melting Point:2050c
- Density:No Less Than 3.5g,cm3
- Sample:Provide Free Sample
- Transport Package:25kg,Bag, 1000kg,Pallet
- Specification:F16 ~ F320
- Trademark:Baiyun
- Origin:Ningxia, China
- HS Code:2818109000
- Production Capacity:1000 Tons Per Month
Description
Main Chemical Composition %
Al2O3
Fe2O3
SiO2
BA-1
81-85
9-11
≤8
BA-2
75-80
10-12
≤10
Physical Properties:
Item
Indicators
Color
Black
Crystal
Trigonal system
Hardness (Mohs)
≥ 9.0
Melting point (°C)
2050
The maximum temperature (°C)
1850
True Density (g/cm3)
≥ 3. 50
Linear expansion coefficient (0-1600 °C)
7-9
Applications:
1.Surface processing: metal oxide layer, carbide black skin, metal or nonmetal surface rust removal.
2.Beautifying processing: matte or matte processing of various gold, K-gold ornaments and precious metal products, matte processing of non-metals etc.
3.Etching processing: etching artists for jade, crystal, agate, semi-precious stones, etc.
4.Pretreatment: rubber, plastic coating, rubber ROLLER, electroplating, metal spray welding, titanium plating and other pretreatment.
5.Rough edge processing: bakelite, plastic, zinc, aluminum die-casting, electronic parts, magnetic cores, etc.
6.Processing of electronic parts: fogging and etching of silicon chips, removal of impurities on the back of wafers, etc.
7.Processing of large workpieces: derusting, paint removing and maintenance of large workpieces such as oil tank, etc.
Our Advantages:
1).one-stop service
2).supply abrasives since 1999
3).A grade products with high purity
4).production capacity:1000-1500 metric ton/month
Package:
1)25kg PVC bag, then 40 bags in a big bag for 1000 Kilograms.
2).if need special packing or marks, please list them in your E-mail. We would like to make the packing as requested.
1).Our first choice is T/T. For a large order 40% T/T in advance is earnest money,
the rest to be paid in 7-10 days after getting B/L copy. For a small order,100% T/T in advance.
2).Second choice is L/C. We can accept irrevocable L/C at sight.
For a large order 40%T/T, 60%L/C. We couldn't accept L/C for a small order.
The best payment we advise is T/T, L/C is very complicated and a lot of extra fee for bank.
3).The others: West Union
After Sales Service:
1).We are very glad that customer give us some suggestion for price and products.
2).If any question, please let us know it by E-mail or Telephone at the first time.
1).Welcome any customer to visit our factory directly
2).If customer have any scheduling in China, please let us know.
We would like to help you book the hotel and pick up you from airport or railway station
^ Ningxia Baiyun carbon Co.,Ltd, is one professional manufacturer, with rich experiences of
industrial products exporting worldwide.
^ Our corporation, located in shizuishan city, with title of "Coal City", which is famous for producing
anthracite. We mainly engaged in activated carbon, carbon additives, carbon products, anthracite
filter,desulfurization carbon, flocculant, abrasive, refractory materials, emery and other products.

Our Corporation has already get the customers' approval continuously according to our integrity,
strength and product quality ( having the complete and scientific quality managment systerm).
Certificate of Our Corporation
Certificate of Our Corporation:


If you still have other items want to know, please contact us freely~