DYNASYLAN 40

DYNASLYAN 40 is a ethyl silicate with a silicon dioxide content of approximately 40-42% upon complete hydrolysis. It is a colorless, low-viscosity liquid with an SiO2 content of 40% (Si content is calculated as SiO2). It is formed in the presence of water from tetraethyl silicate (Si[OEt]4) by partial hydrolysis of the ethoxy groups to hydroxyl groups and subsequent condensation with formation of siloxane bonds (-Si-O-Si-). It is used as a binder in 2-pack zinc dust paints. It improves the chemical and thermal stability and mechanical properties of materials. It is also used as a starting material for sol-gel processes. It is usually used in conjunction with alkylsilanes, organofunctional silanes and/or organic precursors to form siloxane networks. This makes it possible to obtain highly scratch, abrasion and chemical-resistant coatings. It is suitable for applications in the advanced materials industry where high durability, chemical resistance and mechanical strength is required.