The Highest Quality O-Rings Available When You Need Them

DESIOR TECHNOLOGY CO.,LTD has served as the leading rubber component manufacturer in China.

  SHELF LIFE GUIDELINE   

These numbers represent average shelf life under normal dry/cool storage conditions, away from direct sun / UV rays, and should be used for guidance/reference purposes only.  

If the shelf life has expired, products should be carefully evaluated for possible use as originally intended before discarding products solely based on the suggested shelf life. Shelf life (or life span) varies depending on product specifications and compound design.

 

Material ASTM Abbreviation Shelf Life

Aflas®   20 Years
Butyl Rubber, Isobutylene Isoprene IIR 20 Years
Chemraz: 504, 505, 514, 526 CHEM 20 Years
Chloroprene (Neoprene®) CR 15 Years
Compressed Non-Asbestos Sheet Products   5 Years
Cork   2 Years
Cork & Rubber   5 Years
Epichlorohydrin (Hydrin®) ECO 7 Years
Ethylene Acrylic (Vamac®) AEM 10 Years
Ethylene Propylene, EPDM or EP EP 20 Years
Felt   5 Years
Fiberglass   10 Years
Fluorocarbon (Viton®) FKM 20 Years
Fluorsilicone FVMQ 20 Years
Graphoil   Unlimited
Gum Rubber   3 Years
Gylon   20 Years
Hydrogenated Nitrile, HNBR or HSN HNBR 15 Years
Hypalon   5 Years
Nitrile (Buna-N or NBR) NBR 10 Years
Nylon   5 Years
Polyacrylate ACM 15 Years
Polyurethane (Polyester or Polyether) AU / EU 5 Years
Polypropylene   5 Years
Poron   5 Years
Poron Foam Tape & ThinStik products   2 Years
Silicone VMQ 20 Years
Styrene Butadiene (Buna-S) SBR 3 Years
TEFLON™, trademark owned by The Chemours Company VTFE 20 Years
Vellumoid VMQ 5 Years

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