Storage life of various types of rubber products

Storage life The shelf life of rubber products is determined by the type of rubber material and the storage conditions. Under the recommended storage conditions, the shelf life of seals varies by material.
For example, the shelf life of polyurethane, thermoplastic materials is 4 years;.
Nitrile rubber, hydrogenated nitrile rubber, neoprene rubber has a shelf life of 6 years.
The preservation period of ethylene propylene rubber is 8 years.
The shelf life of fluoroelastomer, silicone rubber, fluorosilicone rubber is 10 years.
Perfluoroelastomer has a shelf life of 20 years; PTFE has an indefinite shelf life.