| Classification: | Alumina |
|---|---|
| Grade Standard: | Industrial Grade |
| Kind: | Amphoteric Oxide |
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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. |
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