Home > Products > Other special additives > German technical background VOK-411 Rheological agent This additive is recommended for use in low-polarity systems replaces BYK-411
German technical background VOK-411 Rheological agent This additive is recommended for use in low-polarity systems replaces BYK-411
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Product Details
Brand Name: | vok specialty chemistry | Place of Origin: | China | Model Number: | BYK-411、VOK-411 |
Type: | Other, Rheological agent | Usage: | Coating Auxiliary Agents, Electronics Chemicals, Leather Auxiliary Agents, Paper Chemicals, Petroleum Additives, Plastic Auxiliary Agents, Rubber Auxiliary Agents, Surfactants, Textile Auxiliary Agents, Water Treatment Chemicals |
Product Description
German technical background VOK®-411 rheological agent
VOK®-411 liquid rheology agent for low polarity solventborne and solvent-free coating systems to improve anti-sag and anti-settling properties. The additive produces a high thixotropic flow behavior. Can be added later.
Product information
Chemical composition
Modified urea solution
Typical physicochemical data
The data presented on this data page is typical and not a product specification.
active substance: 25%
Density (20 °C): 1.05 g/ml
Solvent: N-methylpyrrolidone
Flash point: 91 °C
Storage and transportation
Sensitive to humidity. Store under dry conditions. During storage, the slight turbidity of the material has no effect on the rheological properties.
Application areas
Coatings industry
Product features and benefits
When stirred into the coating system, the additive forms a three-dimensional network structure. The resulting thixotropy is extremely suitable for preventing sedimentation and increasing sagging resistance without affecting leveling. Since VOK®-411 interacts with the resin used, its rheological properties are also affected by the type and amount of resin.
Recommended Use
This additive is recommended for use in low-polarity systems. VOK®-410 is more suitable for medium-polar systems. VOK®-420 is recommended for high polar and waterborne systems.
Recommended dosage
0.2-1% of the total formula (in the form supplied) for anti-settling.
0.5-2% of the total formula (in the form of supply) for anti-sagging.
The above recommended dosage is for reference, and the appropriate dosage needs to be determined through a series of tests.
Addition method and processing guidance
This additive should be added to the paint under moderate shear stirring conditions to ensure fast and uniform dispersion. There is no need to control the temperature.
The additive can be added to abrasives and is also suitable as a post-additive for viscosity adjustment.
Special considerations
If desiccant (drier) is used, discoloration may occur due to the formation of metal complexes. The rheological properties need to be tested here.
Contact Us
- Guangzhou Situyuan Chemical Co., Ltd
- Contact nameliaolijun
- Phone86-020-29863024
- AddressPanyu District Guangzhou,Guangdong
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