Yuanjiang Brand - high purity superfine alumina as the appearance of the product is white powder form, particle size uniform, low storage capacity, stable chemical performance.This product used as high alumina refractories, ceramic components, automotive spark plugs and polishing abrasive products, such as raw material, the production of high aluminum monolithic refractories basic materials, is to enhance the performance of refractory products of high quality filling material.
One, the main standards and features
|
chemicals |
Alumina (alpha AL2O3)/high temperature micro powder |
|
The product status |
White powder |
|
Package is installed |
25 kg woven bag, 1000 kg big bags |
|
Product main features |
Appearance of white powder, particle size uniform, low storage capacity, stable chemical performance. |
|
Range of application |
High alumina refractories, ceramic components, automotive spark plugs and polishing abrasive products, such as raw material, the production of high aluminum monolithic refractories basic materials, is to enhance the performance of refractory products of high quality filling material. |
Second, the quality indicators
|
Order no. |
project |
Single bit |
Refers to the standard |
|
YJ-A |
YJ-B |
|
1 |
AL2O3 |
% ≥ |
99.5 |
99.5 |
|
2 |
SiO2 |
% ≤ |
0.10 |
0.10 |
|
3 |
Fe2O3 |
% ≤ |
0.03 |
0.04 |
|
4 |
Na2O |
% ≤ |
0.10 |
0.20 |
|
5 |
Burning alkali |
% ≤ |
1.0 |
1.0 |
|
6 |
Alpha AL2O3 |
% ≥ |
96.0 |
95.0 |
|
7 |
True proportion |
% ≥g/cm3 |
3.96 |
3.94 |
|
8 |
Granularity % |
≤2um |
≥90 |
≥85 |
|
D50um |
≥0.60 |
≥0.80 |
|
