Buna N O Ring Shelf Life

Under the proper conditions a buna n o ring has a shelf life of 15 years.

Buna n o ring shelf life.

One of those conditions is the humidity must be less than 75. Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life. O ring shelf life compliance standard. You can pretty much bet the fitting in question has been exposed to frequent humidity.

Arp 5316 elastomer shelf life recommendation. 504 505 514 526 chem 20 years chloroprene neoprene. Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions. Elastomer and o ring shelf life recommendation summary with proper storage.

Key elements of the arp5316d standard include. Material astm abbreviation shelf life aflas 20 years butyl rubber isobutylene isoprene iir 20 years chemraz. O ring engineered seals division 2360 palumbo drive lexington ky 40509 office 859 269 2351 reference. Pull it out of the bin put it into service and chances are there will be problems.

In general it is best to. O ring material shelf life overview global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions. Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements. The society of aerospace engineers sae issued aerospace recommended practice arp 5316.

612 342 2417 minneapolis mn 55412 toll. O ring size search material selection guide chemical compat. That s under proper conditions. Guide seal design guide engineering request sample request request for quote.

Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals. Temperature o rings need to be stored below 100f 38c and stored away from direct sunlight and sources of heat radiators heaters boilers and above 59f 15c. Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time. Previously known as arp5316 recommended practice this standard is based upon both.

Nitrile buna n material selection guide. Rubber shelf life due to lingering confusion concerning shelf life of elastomer seals and as5316 the o ring division is issuing this letter for all parker distributors territory sales managers and regional sales managers.