Shelf life precision associates inc.
Buna n o ring shelf life.
Material astm abbreviation shelf life aflas 20 years butyl rubber isobutylene isoprene iir 20 years chemraz.
You can pretty much bet the fitting in question has been exposed to frequent humidity.
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.
612 333 7464 3800 n.
612 342 2417 minneapolis mn 55412 toll.
Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.
Key elements of the arp5316d standard include.
In general it is best to.
It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals shelf life.
Elastomer and o ring shelf life recommendation summary with proper storage.
The society of aerospace engineers sae issued aerospace recommended practice arp 5316.
Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements.
O ring shelf life compliance standard.
Guide seal design guide engineering request sample request request for quote.
That s under proper conditions.
504 505 514 526 chem 20 years chloroprene neoprene.
Under the proper conditions a buna n o ring has a shelf life of 15 years.
Pull it out of the bin put it into service and chances are there will be problems.
Arp 5316 elastomer shelf life recommendation.
Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.
Nitrile buna n material selection guide.
O ring size search material selection guide chemical compat.
Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.
Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life.
One of those conditions is the humidity must be less than 75.
Previously known as arp5316 recommended practice this standard is based upon both.
