77509-004 is a silanetriol-based surface-modification product from Kontakt Chemie. Its active ingredient is trimethoxy-(3-trimethylsilyl)propane, which is especially compatible with silicone, metal, and glass surfaces. It forms a transparent, hydrophobic protective layer that helps to protect against dust, dirt, and moisture. 77509-004 also aids in adhesion promotion, making it a perfect choice for lamination, printing, and metal surface treatment applications. It is both non-toxic and safe to use in cosmetic and medical applications.