Saga Secondary seal for internal floating roof tanks (IFRT)- Saga Secondary seal for IFRT is a strip of nitrile rubber mixed with other polymers & is used to provide a seal between the rim of the floating roof and the tank shell to reduce vapor leakage. The Saga wiper tip is ozone resistant and can further reduce the evaporation loss very effectively.Saga wiper tip seal systems are used as secondary seals in internal floating roof tanks (IFRT). These wiper tips are specially designed to prevent product loss and atmospheric contamination from internal floating roof tanks (IFRT). Saga wiper tip seal systems are designed to ensure effective operation in specific tank conditions. Saga manufactures multiple options of IFRT wiper tip seals customized as per your choice to ensure the best fit for your tank.