Synthetic Hydrotalcite BX DHT
Introduction:
BX DHT is a kind of aluminum and magnesium synthetic hydroxide, and it’s a status of ultramicro powder and has good dispersibility in processing. BX DHT is mainly used as an acid absorber in polyolefin processing. It has the appearance of white powder and is insoluble in water. Equal to Kyowa Kisuma DHT-4A.
CAS No.: 11097-59-9
Kyowa, Clariant, Baoxu Synthetic Hydrotalcite
| Baoxu | Kyowa/Kisuma | Clariant |
| BX DHT | DHT-4A | Hycite 713 |
Synthetic Hydrotalcite Applications:
As an acid scavenger, BX DHT has the advantages of a high capacity of the acid absorber, no separate out, great heat stability than traditional Calcium Stearate, it has favorable applicability with plastic additives in processing, and the polymer will not occur yellow-turning. The product mainly used as:
1. Acid absorber in polyolefin processing;
2. UV absorber in agricultural PE、PVC、EVA;
Synthetic Hydrotalcite Specifications:
| ITEMS | UNIT | TECHNICAL INDEX |
| Appearance | — | White powder |
| MgO / Al2O3 Ratio | % | 4.00 〜5.00 |
| Loss on Heating (105±3°C) | % | 1.00 Max |
| Heavy Metal (Pb) | ppm | 10.00 Max |
Package and Storage:
Should be stored in a ventilative, dry, shady, and cool place, protected from damp, light, and heat. The packing is 20kg net weight per standard export bag or carton with an inner PE bag.
Guide of Use
The product has good dispersibility, it could be used together with resin directly. Commix both of BX DHT and resin evenly and extrusion.