Dense corundum
Dense corundum is a new type of high-grade refractory raw materials, acid, high temperature with good wear resistance, erosion and volume stability, widely used in metallurgy, ceramics, chemical and other industries, is the production of blast furnace iron ditch, castable aggregates and a variety of corundum products of high-quality Raw materials.
|
Product performance |
Sand（＞0.1mm） |
Powder（≤0.1mm） |
Chemical composition |
Al2O3% ≥ |
99.0 |
98.6 |
|
SiO2% ≤ |
1.0 |
1.0 |
|
Fe2O3% ≤ |
0.15 |
0.2 |
|
TiO2% ≤ |
0.1 |
0.1 |
|
CaO%≤ |
0.1 |
0.1 |
|
MgO%≤ |
0.1 |
0.1 |
|
Na2O% ≤ |
0.1 |
0.1 |
|
C% ≤ |
0.12 |
0.14 |
Physical properties |
% ≤
Magnetic material |
0.05 |
0.1 |
% ≤
Apparent porosity |
2 |
2 |
g/cm3≥
Bulk density |
3.90 |
3.90 |
g/cm3≥
True density |
3.96 |
3.96 |
Product Images
Our Company
Henan Guangda Refractories Co., Ltd is a high-tech enterprise which is dedicated to the refractory materials research and development, production, trade and engineering. Our company owns a professional technical research and development team that has been engaged in the refractory materials for decade years, owns advanced production equipments and testing equipment with the excellent marketing team. Our company has a sound management system for the market development and after-sale service. We will, as always, insist on the principle of quality first, customer first, putting quality and customers first, wholeheartedly provide the best quality......
