Moisture Scavenger For Polyurethanes Reactive MgAl Carbonate Hydroxide CAS 12304-65-3
Moisture Scavenger for Polyurethanes Reactive MgAl Carbonate Hydroxide CAS 12304-65-3
Product Name: Hydrotalcite adsorbent / Magnesium Aluminum Carbonate adsorbent
CAS No.: 12304-65-3
Molecular Formula: [M(1-X)2+Mx3+y(OH)]x+(An-)x/n·mH2O
Product Introduction:
Prevents CO₂ foaming and catalyst poisoning in moisture-sensitive PU systems (e.g., prepolymers, adhesives). Binds water selectively at room temperature, maintaining reactant integrity during processing.
Specification:
|
No. |
Item |
Specification |
|
1 |
Aluminum oxide (Al2O3), % |
20±4 |
|
2 |
Magnesium oxide (MgO), % |
35±4 |
|
3 |
Chloride ion (Cl-), % |
≤0.1 |
|
4 |
Sulfate ion (SO42-), % |
≤0.5 |
|
5 |
Loss on Drying, % |
≤8.0 |
|
6 |
pH Value (5% suspension) |
10±1 |
|
7 |
Apparent Volume (ml/10g) |
25-45 |
Advantages of our magnesium aluminum carbonate adsorbent:
2.Minimal impact on viscosity
3.Non-interfering with isocyanate chemistry
4.Easy dispersion in polyols
Package:
Net 20kg per bag. Coated paper on the outside, kraft composite paper lining and soft plastic bag.
Customized package available.
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