Nexo-Flex ACS-850 is an acetoxy-cure RTV silicone sealant and adhesive that adheres very well to a variety of construction substrates including glass, aluminum, metal, steel, marble, ceramic and many other materials. Nexo-Flex ACS-850 is VOC compliant and is highly recommended for a variety of sealing applications. When fully cured, Nexo-Flex ACS-850 offers permanent flexibility and offers exceptional all-weather performance and reliability to meet the needs and demands of your project. NexoFlex ACS-850 provides excellent adhesion to cultured marble, tile, glass, vinyl, aluminum, and sheet metal without the need for a primer. Nexo-Flex ACS-850 is engineered to cure rapidly when exposed to atmospheric moisture and forms a durable, tight bond that contractors and installers require and depend on.