ZALY'S active alumina powder ,used Ultra-low temperature transformation calcining process,property is:
1: Good chemical activity
2:Fine particle size
3: Low water absorption
4: Good fluidity
Application:Suitable for iron trough castable, overall ladle injection materials, pouring burning layer is very dense, anti-permeability is better, erosion rate is low.
TT | TARGET | UNIT | REQUIRE |
I .CHEMICAL % |
|
| |
1 | Al2O3 (α- Al2O3 >95%) | % | 99
|
2 | SiO2 | % | <0,15 |
3 | Na2O | % | <0,25 |
4 | Fe2O3 | % | <0,05 |
II. PARTICLE SIZE <1µm | % | >95 | |
III. DENSITY | G/CM3 | 3,9 | |
IV. MOISTURE | % | <0.1 |
Brand | AI2O3 ≥ % | Na2O ≤ % | Fe2O3 ≤ % | SiO2 ≤ % | TiO2 ≤ % | Density g/cm3 | a-AI2O3 ≥ % | Medium Particle size | BET m2/g |
TCH-101 | 99.70 | 0.10 | 0.02 | 0.018 | 0.006 | 3.96 | 96 | 75 | 0.6-0.8 |
TCH-102 | 99.60 | 0.10 | 0.02 | 0.018 | 0.006 | 3.95 | 95 | 75 | 0.6-0.8 |
TCH-103 | 99.50 | 0.20 | 0.02 | 0.018 | 0.006 | 3.95 | 95 | 75 | 0.8-1.0 |
TCH-105 | 99.40 | 0.30 | 0.02 | 0.018 | 0.006 | 3.93 | 93 | 75 | 0.8-1.0 |
TCH-31 | 99.4 | 0.30 | 0.02 | 0.018 | 0.006 | 3.92 | 90 | 75 | 0.1-0.8 |
TCH-30 | 99.5 | 0.25 | 0.02 | 0.019 | 0.008 | 3.95 | 95 | 3 | 1.0-1.2 |
TCH-33 | 99.4 | 0.30 | 0.02 | 0.018 | 0.006 | 3.95 | 95 | 10 | 0.9-1.0 |
TCH-003 | 99.4 | 0.30 | 0.02 | 0.018 | 0.006 | 3.95 | 95 | 4 | 1.0 |
TCH-35 | 99.0 | 0.30 | 0.02 | 0.020 | 0.006 | 3.90 | 90 | 10 | 0.9-1. |