Epdm O Ring Shelf Life

Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.

Epdm o ring shelf life.

Epdm or ep ep 20 years felt 5 years fiberglass 10 years fluorocarbon viton fkm 20 years fluorsilicone. 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. It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals shelf life. It was intended to fully replace mil hdbk 695c as the industry standard for the shelf life of aerospace elastomeric seals.

Arp 5316 is often used as a guideline in determining useful shelf life of elastomers used in other industries. Epdm o rings are typically black in color with a long lasting shelf life. 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 cumulative studies and industry input regarding practical storage limits and fifo requirements.

Key elements of the arp5316d standard include. Seal design carries standard and metric o ring sizes. Epdm o rings may also come in a metal detectable variation while retaining the same qualities as the general epdm o ring compound. O ring engineered seals division 2360 palumbo drive lexington ky 40509 office 859 269 2351 reference.

1 28 2013 9 23 46 am. Polyurethane millable sbr natural rubber polybutadine polyisoprene. Elastomer and o ring shelf life recommendation summary with proper storage. Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life.

Choose from our selection of epdm rubber o rings including over 700 products in a wide range of styles and sizes. 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. Learn more about the shelf life of different types of o ring materials. In stock and ready to ship.

Esp o ring shelf life chart based on arp 5316 elastomer shelf life recommendations in 1998 the society of aerospace engineers sae issued aerospace recommended practice arp 5316. Standard epdms are usually sulfur cured. Ethylene propylene epdm group x flurocarbon viton 10 years flurosilicone silicone misc ptfe no shelf life.