| Customization: | Available |
|---|---|
| Natural Abrasive Type: | Natural Corundum |
| Artificial Abrasive Type: | Corundum Abrasives |
|
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|
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Specifications
Sand Blasting Black Fused Alumina
1)Supply abrasives since 1995
2)Direct manufacturer,favorable price
3)Passed ISO9001-2008
Sand Blasting Black Fused Alumina
Black Fused alumina/black corundum is also known as low aluminum corundum. It is also a new type product of polishing material, and it is a dark gray crystal body made α-Al2O3 and ferropicotite as main ore in the electric arc furnace by smelting the bauxite. It has characteristics of moderate hardness, high toughness, high temperature resistance, and stable thermal stability. It is mainly suitable for free grinding, such as coarse grinding before electroplating products, mainly for polishing and sandblasting of stainless steel, fabricated metal products.
Chemical Analysis:
|
Specifications |
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 |
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.
Payment:
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.
Factory Visit:
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
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