DHT-4A DHT-4V
DHT-4A/4V
Acid / halogen scavenger for polyolefin's, rubber etc.
DHT-4A-2
Stabilizer for halogenated flame retardant
Hydrotalcite-like compounds
Advantages
- Safe (approved for food contact)
- Non-Kosher/Non-Halal offending coatings available
- Efficient (applications require only small dosages)
- Polymer yellowing is suppressed
- No stearic vapor problem
- Reduction of water carry-over
- High anti-corrosivity
- Negligible impact on mechanical strength
Features
| GRADE |
APPLICATION |
|
DHT-4A®
DHT-4V®
|
Stabilizer for polyolefin's; produced with Ziegler-Natta, Friedel-Crafts or other acid catalysts. Acid acceptor for EVA, halogenated rubber etc. |
| DHT-4A®-2 |
Stabilizer (dehydrated) for halogenated flame retardant.
Other dehydrated/calcined grades available. |
Properties (Typical analysis)
| PROPERTIES |
|
DHT-4A® DHT-4V®
|
|
DHT-4A®-2
|
| Magnesium as MgO |
wt% |
34 |
|
39 |
| Aluminum as Al2O3 |
wt% |
19 |
|
22 |
| Molar ratio of MgO/ Al2O3 |
|
4.5 |
|
4.5 |
|
|
|
|
|
| Loss on drying (105°C,1hr) |
wt% |
0.3 |
|
- |
| Heavy Metals |
Ppm |
10 |
|
10 |
|
Specific surface area (BET)
|
m2/g |
10 |
|
13 |
| pH of suspension |
|
|
|
|
| (1g/50ml C2H5OH+H2O)(1:1) |
|
8.6 |
|
9.0 |
| Partical size distribution |
|
|
|
|
| Average |
µm |
0.4 |
|
0.4 |
| <1µm |
vol.% |
90 |
|
90 |
| >5µm |
vol.% |
0.0 |
|
0.0 |
Data on this page can not be used for specification purposes
Individual Product Specifications / Datasheets available on request
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