BYK -349
Strong silicone surfactant for waterborne coatings, adhesives and maintenance products Reduces surface tension and significantly improves substrate wettability of the system. Does not increase surface slip. Suitable for all aqueous systems without co-solvents.
Chemistry Composition
Polyether modified silicone.
typical Materialized Data
The data given on this data page are only typical values, not the technical indicators of the product.
| Active ingredients | 100% |
| Density (20 °C) | 1.04 g/ml |
special Reminder
This additive is suitable for systems without organic co-solvents. In very high systems, the effect of silicone surfactants will be reduced. At this time, we recommend using silicone polymer surfactants such as BYK-333.
apply Domain
paint Industry
Features and advantages: This additive can significantly reduce the surface tension of water-based coatings, especially Suitable for improving substrate wetting and leveling of the system. It may have slight foam stabilization, does not increase surface slip, does not interfere with recoating, can be used in combination with BYK-333 if increased surface slip is required.
Recommended Purpose
| Car paint | Specially recommended |
| Architectural coating | Specially recommended |
| Wood and Furniture Coatings | Specially recommended |
| Industrial Coatings | Specially recommended |
| can paint | Specially recommended |
| Coil Coating | Specially recommended |
| anti-corrosion coating | Specially recommended |
| Leather Varnish | Recommended |
This additive is especially recommended for all water-based coatings without co-solvent, especially It is styrene-acrylic, pure acrylic, acrylic/polyurethane, polyurethane and baking varnish system.
Recommendation Dosage
0.05-0.5% additive level (as supplied) based on total formulation.
The above recommended dosage is for reference, the optimal dosage needs to be determined through a series of experiments .
Join Methods and processing instructions
The additive can be added at any production stage, we recommend the final production of the paint stage added.
Adhesive and sealants
Features and Benefits: BYK-349 is a highly effective silicone surfactant , the additive drastically reduces the surface tension of water-based adhesives and thus can be used to wet particularly difficult-to-wet substrates.
Recommendation Dosage
0.05-0.5% additive level (as supplied) based on total formulation.
The above recommended dosage is for reference, the optimal dosage needs to be determined through a series of experiments .
Join Methods and processing instructions
The additive can be added at any production stage, we recommend the final production of the paint stage added.
Maintenance Supplies and Polishing Materials
Features and Benefits: BYK-349 is a highly effective silicone surfactant , Strongly reduce the surface tension of the system to improve the substrate wetting and leveling of maintenance products. It may have a slight foam stabilization, which will not affect the application of subsequent coatings and will not increase the surface slip.
Recommended Purpose
This additive is especially recommended for maintenance products and wax cleaning without plasticizer agent.
Recommendation Dosage
0.05-0.5% additive level (as supplied) based on total formulation.
The above recommended dosage is for reference, the optimal dosage needs to be determined through a series of experiments .
Join Methods and processing instructions
The additive can be added at any production stage, we recommend the final production of the paint stage added.
">Recommended dosage
0.05-0.5% additive level (as supplied) based on total formulation.
The above recommended dosage is for reference, the optimal dosage needs to be determined through a series of experiments .
Join Methods and processing instructions
The additive can be added at any production stage, we recommend the final production of the paint stage added.
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