BYK-349
BYK-349 is a silicone surfactant with excellent substrate wetting properties in aqueous systems. It significantly reduces the surface tension, has no foam stabilizing effect and improves the flow of the system. BYK-349 does not increase the surface slip and has no negative influence on subsequently applied layers. It is an extremely versatile surface additive that is effective on a wide variety of substrates and is therefore used in numerous systems, including VOC-free systems. BYK-349 also meets some regulations for use in food contact applications **. No SVHC labeling on the EU safety data sheet *.
Benefits
Applications
BYK-3455
The silicone surfactant BYK-3455 significantly reduces the static and dynamic surface tension and ensures perfect substrate wetting, even on difficult substrates. At the same time, it significantly improves the flow, and the combination of these two important product properties is the special characteristic of BYK-3455. Additionally, it is more hydrophobic and consequently more hydrolytically stable than comparable additives. BYK-3455 does not promote foaming, does not impair the application of subsequent layers, and does not increase surface slip. Due to its special compatibility in various binder systems BYK-3455 is well suited for modern formulations and meets some regulations for use in food contact applications**. No SVHC labeling on the EU safety data sheet*.
Benefits
Applications
BYK-3560
In aqueous systems, wetting and leveling can be controlled and optimized very well using surface additives containing silicone. However, if a high degree of recoatability or adhesion are also required, as in multi-layer systems, this technology reaches its limits. To close this gap BYK has developed macromer-modified polyacrylates such as BYK-3560. It is a polyether macromer-modified polyacrylate which increases the surface energy of a cured coating, thereby improving the recoatability and adhesion of subsequent layers. In addition, it promotes both the leveling of the system in which it is used and the leveling of subsequent layers. BYK-3560 has 100% active substance and is easy to process. It also has anti-scratch properties in water-based coatings. Additionally, BYK-3560 meets the current requirements of some regulations for use in food contact applications**.
Benefits
Applications
BYK-378 / BYK-3764
The silicone surface additive BYK-378 has a very balanced property profile, which is why it can be used in a wide range of applications and has met with a correspondingly positive response on the market. For some years now, it has been supplemented by a low-cycle product variant, BYK-3764*. Both additives greatly increase the surface slip and thus also improve scratch resistance. The moderate to strong reduction in surface tension leads to excellent substrate wetting and a good anti-crater effect. Picture framing is avoided. In matted systems, they ensure perfect orientation of the matting agents. BYK-378 and BYK-3764 are highly effective even at low dosages and are only slightly foam-stabilizing. Both additives do not impair the adhesion of subsequent layers and meet some regulations for use in applications with food contact**. BYK-3764: no SVHC labeling on the EU safety data sheet*.
Benefits
Applications
* The proportion of the cyclic siloxanes D4, D5, and D6 is less than 0.1% in each case, which is why the product is not labeled SVHC.
** Detailed and up-to-date information can be found on the respective product page.
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