Product Details
Product Description
Product Description
Refined adsorbent aluminum polysilicate (Synthetic aluminum Poysilicum), molecular formula: xAl2O3·ySiO2·nH2O. The appearance is a kind of white porous spherical body particle or powder, has the very good flowability, it belongs to the solid acid compound. As a hard foam polyether refined absorbent, it shows excellent adsorption and decolorization performance: adsorption of potassium and sodium ions from organic chemicals. And play a role in filtering. Absorb water from the air.
Technical indicators:
No.
| Indicator Name
| Superior Product
| First Class Product
|
1
| SiO2 %
| 75±5
| 70±5
|
2
| Al2O3 %
| 16±2
| 15±2
|
3
| Cl - % ≦
| 0.1
| 0.1
|
4
| SO42- % ≦
| 0.5
| 0.5
|
5
| Loss on drying % ≦
| 8.0
| 11
|
6
| PH in water5%
| 5-8
| 5-8
|
7
| App. volume(ml/10g)
| 32±4
| 32±4
|
Product application: the crude polyether polyol was put into the neutralization kettle, a small amount of pure water was added at a certain temperature, the neutralization reaction was carried out after stirring, the PH value of the neutralization solution was controlled within the index (6.5 - 7.0), then 0.1 - 0.3% aluminum polysilicate adsorbents were added at the same temperature, the vacuum distillation and dehydration were carried out for 1.5~2 h, and the filtration cycle was carried out when the water was removed to the prescribed requirements. The K+ (Na+) ion content of the circulating liquid is analyzed and filtered immediately when it meets the requirements. The filter solution is a clear and transparent polyether.
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