BENTOGEL BG 4 25/1
BENTOGEL BG 4 25/1 is a high-performance organoclay rheological additive specifically developed for low to medium polarity solvent-based systems. It offers high gelling efficiency, especially in aliphatic and aromatic solvents. It effectively prevents the settling of pigments and fillers by providing excellent thixotropic consistency over a wide temperature range.
It can achieve an appropriate level of delamination without the need for a chemical (polar) activator and can be added at any stage of the production process. However, an increase in performance is observed when added with a polar activator or after the grinding process.
Application Areas
- Alkyd paints and anticorrosive paints
- Marine paints and road marking paints
- Silica paints and inks (mineral oil-based)
- Adhesives and sealants (mastics)
- Lubricating greases and cosmetic products
Recommended Dosage
Depending on the desired thickening degree and the specific system, it is recommended to use between 0.2% and 2.0% of the total formulation weight.
Technical Specifications
| Color | Off-white |
| Appearance | Free-flowing powder |
| Density | 1.65 g/cm³ |
| Moisture (@105°C, 2 hours) | ≤3.5% |
| Fineness (passing 200 mesh sieve) | ≥98% |
| Loss on Ignition (@1000°C) | ≤38% |
Packaging and Storage
Supplied in 25 kg multi-layer paper bags. Should be stored in cool, dry, and well-ventilated areas.
Frequently Asked Questions
In which systems is BENTOGEL BG 4 25/1 used?
It is used in low to medium polarity solvent-based systems, especially in formulations containing aliphatic and aromatic solvents.
What is the primary function of the product?
It regulates rheology by providing thixotropic consistency in the system and prevents the settling of pigments and fillers.
Is the use of a polar activator mandatory?
No, BENTOGEL BG 4 25/1 does not require a polar activator for proper delamination, but its use can enhance performance.
What is the recommended dosage?
It is recommended to use between 0.2% and 2.0% of the total formulation weight.
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