This kind of white fused alumina electrically fused in arc furnace with high grade processed alumina as raw material. It has higher hardness and slight lower toughness comparing with brown fused alumina. It is also characterized by its high purity, acid and alkali resistance, good thermal stability. It's the high grade refractory materials.
Colour white
Crystal System trigonal system
Mohs Hadness ≥ 10
Melting Temperature(oC) 2250
Refractory Temperature(oC) 1900
True Density ≥ 3.90
Cofficient of linear expansion(0_1600oC) 7_9
Packing Way Selection
A. In 25kg plastic woven bags.
B. In 1000kg big bag.
C. 40 x 25kg plastic woven bags in one big bag.
D. 40 x 25kg plastic woven bags on pallet.
E. 40 x 25kg paper bags on pallet.
F. According to client's special requirement.
Products Standard
F230~F1200 Microgrits Size Distribution
Bulk Density Testing Value Comparison Chart
Microgrits Grit F230 - F8000
Microgrits Grit F8 - F240
|
Purpose |
Specification |
Chemical composition(%) |
Magnetic material content(%) |
|
Al2O3 |
Na2O |
SiO2 |
CaO |
|
For refractory |
Size sand |
0-1mm |
99.3Min |
0.5 Max |
_ |
0.4 Max |
0.003 Max |
|
1-3mm |
|
3-5mm |
|
5-8mm |
|
8-12mm |
|
Fine powder |
180#-0 |
98.5Min |
0.3 Max |
0.5 Max |
0.001 Ma |
|
240#-0 |
|
320#-0 |
OSYMEN (China) REFRACTORIES Co., Limited is a private enterprise. Business scope covers manufacturing, marketing/sales and technical/quality assurance services of refractories for iron and steel, glass, cement, non-ferrous, chemical and other industries.
Our major products include: Slide plates, Nozzle, Well Block, Purging Plugs, High alumina brick, Silica Brick, fireclay brick, Magnesia brick, Magnesia Chrome Brick, Magnesia spinel Brick, Magnesia carbon brick, boron carbide, etc.
We can provide excellent quality and competitive price, positive service attitude to meet customer needs.
