The shelf life Fomblin Y-LVAC, Y-HVAC and LC products is a minimum guarantee of 5 years.
As far as the chemical stability is concerned it is over 20 years based on our experience.
Within this time frame the Fomblin/Galden products, if stored under normal conditions in the original sealed containers, will maintain their chemical-physical properties unchanged.
Fomblin and Galden samples are retained for 5 years to check and guarantee the conformity to the specifications over this time frame.
Shelf Life of Fomblin Grease is a minimum of 5 years; in this case although there won't be problems in terms of chemical stability there can be oil separation over time, which is normal.
Fomblin Perfluorosolv fluids have a guaranteed shelf life of a minimum of 5 years from date of shipment if stored in the original sealed container at ambient temperatures.