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Hydrotalcite Quick Details
Chemical Name: Hydrotalcite
Synonyms: Magnesium aluminum hydroxycarbonate; Stabiace HT-P; Tomita AD 500NS; VHT 6; Mg Al Hydrotalcite
CAS No.: 11097-59-9
Molecular Formula: CO3.2HMgO.4H2MgO2.4H2O.2AlH3O3
Molecular Weight: 603.97
Appearance: White Powder
Hydrotalcite Typical Properties
| Item | Specifications | Results |
| Appearance | White Powder | White Powder |
| MgO/Al2O3(mole ratio)) | 3.8-4.2 | 4.1 |
| Mass fraction of Fe % | ≤100ppm | 0.006ppm |
| Heavymetal(commencing to Pb) | ≤10ppm | 10ppm |
| Mass fraction of Moisture | ≤1% | 1% |
| Average particle size | 2-3 | 2.9 |
| Whiteness | ≥92 | 92 |
| PH Value | 7.0-9.0 | 7.8 |
Hydrotalcite Usage
1.It is an inorganic compound and is a good acid absorbent, which can effectively inhibit zinc burning during processing
2.Good thermal stability at high temperatures, up to 400°C, especially suitable for hard processing formulations
3.When used in combination with St-220, it has a good multiplication effect on heat stability
4.It is suitable for the addition of Ba-Zn and Ca-Zn formulas, and it can reflect its unique effects when applied in Ba-Zn and Ca-Zn rigid formulations
5.Even if the temperature exceeds 350°C, the phenomenon of separation of bubbles such as CO2 and H2O does not occur, so it can be effectively used as a hard PVC stabilizer in high processing temperatures
6.When 5 phr was used alone, the Congo Red time at 200°C reached 183 minutes.
Hydrotalcite Packaging and Shipping
Packing: 20kg/bag
Delivery: within 5-7 working days
Hydrotalcite Storage
Stored in cool dry ventilated place away from light
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