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Our black fused alumina bulk is produced by smelting bauxite and iron ore as the raw material in the electric arc furnace at about 2100 ℃. It is a black crystalline solid.
Available Size:
10-20 mm, 10-30 mm, 10-50 mm, 20-50 mm.
Applications:
It can be deep processed into grits and micro powders for high performance abrasive, refractory, and sand blasting, also can be a new type of skid resistance road surface raw material.
Typical Chemical Analysis:
Al2O3: 65-85%;
Fe2O3: 5-10%;
SiO2: 8-20%;
TiO2: 2-4%.
Total BA Content: > 95%.
Typical Physical Properties:
Color: Black;
Crystal Form: Trigonal System;
Moh's Hardness: ¡Ý 9.0;
Melting Point: 2050 ℃;
Max. Working Temperature: 1850 ℃;
Bulk Density: > 3.50 g/cm3;
Linear Expansion Coefficient (0-1600 ℃): Approx. 7.
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| Company: |
China abrasives import & export corporation
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| Contact: |
Mr. Lin Yu |
| Address: |
No.183 Zhongyuan West Road |
| Postcode: |
450006 |
| Tel: |
86 371 87071735 |
| Fax: |
86 371 67634459 |
| E-mail: |
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