BYK®-345 is a polyether modified siloxane. It is the solvent-free version of BYK-346. These additives improve substrate wetting due to strong reduction of surface tension; they also improve flow and leveling. They cause no or only slight foam stabilization and they do not impair recoatability.
BYK manufactures an expanding portfolio of additives for adhesion systems, including aqueous dispersions, solvent-borne systems and solvent-free reactive systems, such as epoxies, acrylates, polyurethanes, and silane-terminated polymers. BYK’s adhesive and sealant additives offer silicone and silicone-free polymer defoamers, liquid rheology additives, wetting and dispersing agents, and surface additives.
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