Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements.
Buna n o ring shelf life.
504 505 514 526 chem 20 years chloroprene neoprene.
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 size search material selection guide chemical compat.
O ring engineered seals division 2360 palumbo drive lexington ky 40509 office 859 269 2351 reference.
Guide seal design guide engineering request sample request request for quote.
Shelf life precision associates inc.
Arp 5316 elastomer shelf life recommendation.
Pull it out of the bin put it into service and chances are there will be problems.
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.
It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals shelf life.
Key elements of the arp5316d standard include.
Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.
Under the proper conditions a buna n o ring has a shelf life of 15 years.
612 333 7464 3800 n.
Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.
Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.
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Nitrile buna n material selection guide.
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.
Material astm abbreviation shelf life aflas 20 years butyl rubber isobutylene isoprene iir 20 years chemraz.
O ring shelf life compliance standard.
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.
That s under proper conditions.
You can pretty much bet the fitting in question has been exposed to frequent humidity.
In general it is best to.
One of those conditions is the humidity must be less than 75.
