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Hydrotalcite CAS 11097-59-9
Chemical name: Hydrotalcite
Synonymous names:
Magnesium aluminum hydrotalcite
Magnesium aluminum binary hydrotalcite
Magnesium aluminum zinc ternary hydrotalcite
Magnesium aluminum calcium ternary hydrotalcite
CAS No: 11097-59-9
Molecular formula: Mg6Al2(CO3)(OH)16.4H2O
Molecular weight: 603.97
Appearance: White powder
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Structural formula：
Product Description：
|
Hydrotalcite dehydration starting temperature |
350℃ |
|
Specific surface area BET (m2/g) |
158 |
|
Specific gravity of hydrotalcite (g/ml) |
2.1 |
|
Magnesium oxide (MgO) |
32-35% |
|
Alumina (Al2O3) |
18.0-21.0% |
|
Fe |
≤0.1 |
|
Heavy metal content% |
≤0.001 |
|
Weight loss on drying (105℃, 1hr) |
≤0.4% |
|
Bulk density (g/ml) |
0.2-0.3 |
|
Whiteness ≥ |
90 |
|
Average particle size of hydrotalcite (μm) |
0.8 |
|
Melting point |
300°CMIN |
|
Flash Point |
110 °C |
|
PH |
7-9 |
|
Heavy metal content, % |
1%MAX |
Properties and Usages:
The magnesium-aluminum hydrotalcite produced by Fscichem provides an ideal choice for the plastics industry with its excellent environmental standards and excellent performance. This synthetic hydrotalcite has a special layered structure and chemical composition that makes it excellent in a variety of applications, especially as a stabilizer for PVC and other polymers.
Product Features：
1. Advanced environmental protection performance: Magnesium aluminum hydrotalcite is a non-toxic product that does not contain heavy metals and meets the current high requirements for environmental protection and user health.
2. Long-term thermal stability: The product can maintain its chemical stability for a long time and has excellent resistance to thermal aging. It is an indispensable additive in plastic processing.
3. Excellent transparency and gloss: This product not only improves the transparency of the product, but also enhances the gloss of the surface, making it suitable for application scenarios that require high transparency.
4. Excellent dispersion and compatibility: It is easily dispersed in various resins and has good compatibility with various polymer materials, effectively avoiding precipitation problems.
5. Good weather resistance and insulation properties: Enhanced weather resistance and electrical insulation properties of plastic products, suitable for use in external environments and electrical insulation materials.
Application scope：
Magnesium aluminum hydrotalcite is widely used in PVC and other polyolefin materials, including but not limited to cables, shoe soles, artificial leather, rubber pads, raincoats, advertising cloths, hoses, toys, etc. Its non-toxic properties also make it an ideal calcium-zinc stabilizer replacement in rigid and soft PVC products.
Description of effects when used together with other stabilizers:
1. Used together with zinc stearate: excellent thermal stability
2. Used together with tin methyl mercaptide: good thermal stability
Excellent transparency in PVC hard and soft products
Packaging and storage：
The product is packed in woven bags with plastic inside and outside, each bag weighs 20 kg. It is recommended to store in a ventilated, dry and cool environment and avoid contact with acid and alkali substances to maintain product quality and performance.
