AgeSin® RH-A4420 is a liquid rheological additive, suitable for water-soluble, dispersion, and emulsion system additives to produce highly thixotropic fluidity, improve anti-sagging and anti-settling properties. This additive can also be added later and is suitable for water, water and alcohol ether, and alcohol solvent mixture systems.
AGESIN® Rheological agent
RH-A4420 – 改性聚脲溶液
Equivalent alternatives: RHEOBYK 420
| Composition | 改性聚脲溶液 |
| Appearance | Yellow to brown liquid |
| Density g/cm³ (23℃) | 1.05~1.15 |
| Viscosity cps (25°C) | 300-1600 |
| Solvent | N-甲基吡咯烷酮 (NMP) |
| Non-volatile content % | ≥50 |
This datasheet is intended to give typical results, not standard.Subject to COA.
AgeSin® RH-A4420 is a liquid rheological additive, suitable for water-soluble, dispersion, and emulsion system additives to produce highly thixotropic fluidity, improve anti-sagging and anti-settling properties. This additive can also be added later and is suitable for water, water and alcohol ether, and alcohol solvent mixture systems.
Industrial coatings:After being added to the coating system under stirring, the additive will produce a three-dimensional network structure. The thixotropic flow behavior formed is very suitable for preventing sedimentation and anti-sagging performance without affecting leveling.
★Special attention: If it is used in combination with desiccants, discoloration may occur, possibly due to the formation of metal complexes. The rheological effectiveness in this case should be evaluated. At standard dosing, there is no negative effect on yellowing. In suspected systems, yellowing and higher additive dosages should be evaluated. When the additive is used in reactive and catalytic systems and contains nitrocellulose, we recommend testing the storage stability of the product.
AgeSin® RH-A4420 should be added to the coating system under moderate shear force to ensure uniform mixing and rapid dispersion. It does not require special temperature control, the additive can be added to the grinding stage, and is also suitable for post-addition to adjust viscosity. If the additive is suitable for this system, there will be a significant increase in the rheological effect, which depends on time and polarity. Rheological effects can generally be evaluated 2-24 hours after mixing.
0.2%-1% additive dosage based on total formula to prevent sedimentation.
0.5%-2% additive dosage based on total formula to prevent sagging, but this depends on the overall solid content of the formula.
● 25Kg /180KG Drum
Store in a dry, clean, ventilated warehouse.
Avoid exposure to light and high temperature.
Can be stored for 24 months in the original packaging.
