|
 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
|
DHT-4 
Copyright © 2009 Kisuma Chemicals B.V. All rights reserved