O Ring Shelf Life Group X

O ring shelf life iso 3601 3 2005 astm d 2000 fluid compatibility ansi flange info.

O ring shelf life group x. Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life. Japanese jis european metric. Rubber o rings seals shelf life as at. 5 or 10 years.

Another british standard aerospace series bs 4f 68 puts silicone into group x shelf life for group x and none specified. Oct 2002 aerospace defence o rings it must be understood that rubber in relation to shelf life is not time dependant but storage condition dependant. Both of these standards are quoted on the silicone engineering delivery notes. Polyurethane depending on type.

Once again and as is often the case with these questions it all depends on many. Elastomers are susceptible to deterioration by aging. Polyurethane millable sbr natural rubber polybutadine polyisoprene. Key elements of the arp5316d standard include.

Rubber products must be stored in accordance with the standards iso 2230 2002 sae arp 5316b to be acceptable. 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. O ring sizes standard a568b. O ring shelf life global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.

Key elements of the arp5316d standard include. Silicone shelf life silicone rubber life in service lis. Standard and metric sizes. 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.

The rate of deterioration depends on a number of factors temperature store between 15 25 c 59 77 f and away from direct heat sources light avoid exposure to direct sunlight artificial light or uv humidity below 65 recommended. O ring shelf life guidelines. It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals 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 misc ptfe no shelf life.

Arp 5316 is often used as a guideline in determining useful shelf life of elastomers used in other industries. Nbr buna n hnbr chloroprene hypalon acm polyacrylate. O ring elastomer shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life. Try our new online o ring store.