Uses: Used as refractory materials.
|
Category |
Size |
Size range (μm) |
Category |
Size |
Size range (μm) |
|
Micropowder |
W63 |
63-50 |
Fine micro powder |
W3.5 |
3.5-2.5 |
|
W50 |
50-40 |
|
W40 |
40-28 |
|
W28 |
28-20 |
W2.5 |
2.5-1.5 |
|
W20 |
20-14 |
|
W14 |
14-10 |
W1.5 |
1.5-1.0 |
|
W10 |
10-7 |
|
W7 |
7-5 |
W1 |
1.0-0.5 |
|
W5 |
5-3.5 |
|
|
|
|
|
|
|
|
α-alumina micropowder properties: high activity, small crystalliteparticle, high phrase-transfermation ratio, etc. |
|
Properties/designation |
AW-4M |
AW-12M |
AW-07M |
|
Chemical compostion % |
Al2O3 |
≥99 |
≥99 |
≥99 |
|
Na2O |
≤0.3 |
≤0.3 |
≤0.1 |
|
SiO2 |
≤0.2 |
≤0.2 |
≤0.2 |
|
Fe2O3 |
≤0.1 |
≤0.1 |
≤0.1 |
|
Major crystal phrase |
αAl2O3 |
αAl2O3 |
αAl2O3 |
|
Medium diameter (μm) |
40607 |
1-1.5 |
0.6-0.7 |
|
Real density (g/cm³) |
≥3.95 |
≥3.95 |
≥3.95 |
|
Test standard |
GB/T3044-2007 |
HNGM in China is a national importer & exporter of electromechanical products, established in 1985 and get approved ISO9000.
Since then, Henan General Machinery Imp. & Exp. Co., Ltd, as a specialized trading company, has been providing kinds of mechanical products and services to the global market. With development of over 25 years, HNGM has built close relationships with lots of domestic manufacturers and more than 2, 000 overseas customers; We have business in the world.
With flexible management modes, our business scope has covered not only mechanical products which mainly include mining and engineering equipments, but also mineral materials; Refractories and chemicals.
The robust & close cooperation with manufacturers and some of research institutes makes HNGM is capable of helping customers to design/submit the complete solution for industry project.
HNGM has become the agent of NHL-Terex rigid dump truck and Siemens gear box and breakers. And we are endeavoring to get agents approval of some famous brands of wheel loader and bulldozers in China. By the above ways we could guarantee smoother supply of whole machines and spare parts.
In the past over 15years, the business of mineral materials; Refractories and chemicals are greatly expanded. Every year, HNGM exports more than 30, 000tons of variety of above materials products to foreign clients.
Nearly three decades' Precipitation and accumulation endows HNGM with incomparable advantages of mechanicals and raw materials. We are always ready to win more affirmation with cost-effective products and services.
