Octa-Soligen® 421 aqua is a specialized combination drier formulated for waterborne alkyd resins, particularly effective in drying conditions with low temperatures and high humidity. This product was developed by Borchers GmbH to enhance the drying process of alkyd resins, offering stability and non-yellowing properties.
Formulation: A combination of cobalt, zinc, and zirconium, optimized for high reactivity.
Appearance: Clear, low-viscous, violet liquid.
Solvent: Paraffinic mineral oil.
Metal Content:
Viscosity: Maximum 500 mPa·s (ISO 3219 (A) at 20 °C).
Density: 1.000 - 1.05 g/cm³ (DIN 51757 at 20 °C).
Compatibility: Highly compatible with standard resins, ensuring stability in formulations.
Drying Performance: Maintains high reactivity and effective drying properties even at low temperatures and high humidity.
Stability: Proven stable drying action through extensive aging and storage tests.
Non-Yellowing: Does not cause yellowing in the final product.
Ideal Use: Systems based on long-oil alkyds and high-build systems (> 100 µm wet).
Challenging Conditions: Effective drying at 13 °C and 80% relative humidity.
Recommended Addition: 4 to 6% (supply form) based on the weight of the solid binder.
Storage Conditions: Store at temperatures between 5 and 30 °C, protect from weathering.
Container Management: Reseal containers immediately after use.
Safety Information: Refer to the safety data sheet for detailed safety guidelines.
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