Hydrotalcite At Large
This high-purity hydrotalcite is the fruit of our own research and development.
With MG and Al as main ingredients, it is manufactured at the state of the art facility with special technology.
It has an excellent nontoxic heat stabilizing effect for plastics, such as polyolefin and PVC, etc., and boasts high thermal stability and dispersion properties.

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Use/Application
- Heat/UV stabilizer for PVC
- Counteractive agent for Ziegler catalysts (PP,LDPE and HDPE, etc.)
- Nontoxic flame retardant
- Stabilizer for organ halogen flame retardant
| Chemical Formula |
Mg₁-xAlx(OH)₂(CO₃)x/₂ Hydrotalcite |
Appearance |
White Ultrafine Powder |
| KB-30 |
99.5 |
0.05 |
0.02 |
| Molar ratio(MgO/Al₂O₃) |
4.0~5.0 |
Refractive index |
1.50 |
| Apparent specific gravity(g/ml) |
0.4±0.1 |
Density(g/㎤) |
2.1 |
| Water content(%) |
0.5 max |
Hardeness(Mohs) |
2 |
| Heavy metal content(ppm) |
10max |
pH(1g/25ml ethanol) |
8.5±0.5 |
* Packing unit : 20kg, 250kg