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At press time for the printing of the catalog, the following represented a complete listing of O-Ring compounds and
styles inventoried by APG as standard stock items.
(APG Style Numbers are listed in parenthesis).
Other options may
now be available as standard items or by special order. Please inquire.
APG O-Ring Compounds and Styles
O-Rings
Aflas ® 80 Durometer
(A80)
Chloroprene 70 Durometer
(N70)
E.P.R. 70 Durometer
Standard
(E70)
Metric
(E)
Fluoroelastomer – Black
Standard
75 Durometer
(V70)
90 Durometer
(V90)
Metric
75 Durometer
(V)
90 Durometer
(V90M)
Fluoroelastomer – Brown
75 Durometer
(VB75)
90 Durometer
(VB90)
Fluorosilicone 70 Durometer
(FS70)
Highly Saturated Nitrile
Green 70 Durometer
Standard
(HS70)
Metric
(HS)
Black 90 Durometer
(HSN90)
Blue TFE Coated 70 Durometer
(HST70)
Nitrile - Black
Standard
50 Durometer
(H50)
70 Durometer
(H70)
90 Durometer
(H90)
Metric
70 Durometer
(H)
90 Durometer
(H90M)
Nitrile - Black - Peroxide Cured
90 Durometer
(H90PC)
Nitrile - White 70 Durometer
(H70FDA)
PTFE
(TFE)
Silicone 70 Durometer
Standard
(S70)
Metric
(S)
Square Cut Rings
Nitrile 70 Durometer
(SH70)
Teflon ® Encapsulated
Viton ® Core
(TEV80)
Silicone Core
(TES70)
Urethane
70 Durometer
(U70)
90 Durometer
(U90)
4 Lobe Q-Rings
Nitrile 70 Durometer
(QH70)
Fluoroelastomer 75 Durometer
(QV70)
Minnesota Quad-Rings ®
Available at ENA (an APG subsidiary)
Nitrile 70 Durometer
(HQ4)
Viton ® 70 Durometer
(VQ4)
Back-Up Rings
PTFE
Solid
(TST)
Split
(TST)
Spiral
(TSP)
Contoured Back-Up Rings
Nitrile 90 Durometer
(HB90)
Fluoroelastomer 90 Durometer
(VBU90)
Leather
(Cut for Series
6244 &
Series 6246)