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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.

Shelf Life Guideline [PDF]

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

20 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

5 Years

Teflon

VTFE

20 Years

Vellumoid

5 Years

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