O Ring Shelf Life Group B

Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.

O ring shelf life group b. Shelf life noun the length of time for which an item remains usable fit for consumption or saleable. Technical o ring groove design extrusion limits. O ring shelf life compliance standard. O ring shelf life guidelines.

Japanese jis european metric. The rubber industry generally uses old us military specs and current sae aerospace recommendations to calculate elastomer and o ring shelf life. Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life. It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals shelf life.

O ring shelf life iso 3601 3 2005 astm d 2000 fluid compatibility ansi flange info. Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements. Materials shelf life shelf life natural group a polyisoprene 5 years polyurethane styrene butadiene acrylonitrile butadiene nitrile epichlorohydrin group b polycryate 7 years neoprene polyisobutylene isoprene butyl ethylene propylene epdm group x flurocarbon viton 10 years flurosilicone silicone. Elastomer and o ring shelf life recommendation summary with proper storage.

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. Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals. O ring sizes standard a568b. Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.

The society of aerospace engineers sae issued aerospace recommended practice arp 5316.