Dow Corning 3165 fast tack RTV adhesive sealant gray is a one component, room temperature curing, silicone adhesive that is used for assembling print wire boards, yokes, adding mechanical stability, and sealing housings, modules, and electrical leads. It is non-flowing, tack free, flame resistant, and has good green strength. - Non-flow. Fast tack free room temperature cure. Good green strength. UL 94V-0 flammability rating. Room temperature cure, no ovens required. Faster in-line processing at room temperature with option for heat acceleration. Can be considered for uses requiring added flame resistance.