Shelf life of rubber products.
Viton 90 shelf life.
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Shelf life aflas 20 years butyl rubber isobutylene isoprene iir 20 years chemraz.
504 505 514 526 chem 20 years chloroprene neoprene cr 15 years compressed non asbestos sheet products 5 years cork 2 years cork rubber 5 years epichlorohydrin hydrin eco 7 years ethylene acrylic vamac aem 10 years ethylene propylene epdm or ep.
Elastomer and o ring shelf life recommendation summary with proper storage.
Viton o rings from marco rubber offer excellent compatibility with a range of chemicals oils and resist high temperatures up to 400f.
Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements.
Viton fluorelastomers an overview 31 0 72 514 18 40.
Make sure you review all of our other popular materials to ensure that the material you choose is correct for your application.
Apr 5316 is often used as a guideline in determining useful shelf life of elastomers used in other industries.
Viton is also known as fkm made of fluoroelastomer one of the most versatile and widely used sealing materials.
Shelf life vs service life.
Viton fkm 20 years hypalon csm 5 10 years neoprene cr 5 10 years e pdm epdm 5 10 years butyl iir 5 10 years nitrile nbr nbr 5 10 years.
Table of elastomer shelf life recommendation.
O ring shelf life is the amount of storage life generally understood as the maximum time beginning with manufacture date that an o ring or hydraulic seal that is properly packaged and stored under specific conditions becomes expired for its original purpose.
If you need properties that are slightly different than the ones.
90 80 70 60 50 40 30 20 10 0 100 fkm 75 fkm 25 cr 75 fkm 25 epr 75 fkm 25 acm 44 4 38 30 also with regard to sealing capacity at higher temperatures considerable differences exist.
Viton freeflow extrusion process aids also improve processing increase output and reduce waste.
The society of aerospace engineers sae issued aerospace recommended practice arp 5316 was issued in 1998 to supercede mil hdbk 695c canceled as the aerospace industry standard.
Mal life time for your seals.
Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.
Products made with viton fluoroelastomers retain their flexibility shape and seal when exposed to chemicals and high temperatures.
Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.
Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.
In the tables here.
The viton properties that are listed below are for our most popular viton 75 durometer 75a rubber material.
