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White aluminium oxide is made from high quality alumina by melting above 2000℃ in the electric arc furnace and then cooling. It is with high purity, great self-sharpening, acid and alkali resistance, high temperature and stable thermal performance. Its hardness is a little higher than brown fused alumina. It is with low toughness, great grinding ability, small heat and high efficiency. It can be made to the abrasives, suitable for sandblasting and grinding high carbon steel and staining steel and other fine-grained abrasive; also be used for precision casting and high-refractory materials.
Physical properties
Chemical compositions
Value of specifications (%)
Hexagonal
Al2O3
¡Ý99.55
Main crystal body
Al2O3
Color
white
Na2O
¡Ü0.24
Grain density
¡Ý3.9 g/cm3
Bulk density
1.75-1.95 g/cm3
SiO2
¡Ü0.03
Morse hardness
¡Ý9
Linear expansion coefficient(1/℃)
8.3x10-4
Fe2O3
¡Ü0.03
White fused alumina abrasives for sandblasting
Performance and advantages:
1. Not affecting the color of the processing cases;
2. Sandblasting in the non-iron process;
3. High speed processing and quality;
4. Containing a very low amount of iron oxide, suitable for non-ferrous blasting operations;
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| Company: |
Henan Sicheng Co., Ltd
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| Contact: |
Ms. Crystal Li |
| Address: |
A-801 Kaixunmen Tongbai Road |
| Postcode: |
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| Tel: |
86 371 68706006 |
| Fax: |
86 371 60305637 |
| E-mail: |
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