RTV Silicone Sealant Fasto S980 is a one part, oil tolerant, all weather, highly flexible, neutral cure, non corrosive, economical grade, high performance RTV Silicone sealant. Fasto S980 is suitable for bonding and sealing gear box & pump flanges, air conditioning ducts, oil sumps, solar panels and many more electrical & mechanical equipment and machines. Features: Neutral premium High performance Non corrosive All weather Highly flexible