Composti standard

Boyd Corporation stocks more than 150 million o-rings in eight popular o-ring compounds spanning all AS568 standard sizes. Various rubber o-rings include: nitrile o-rings, FDA o-rings, silicone o-rings, Viton o-rings and ethylene-propylene diene monomer (EPDM) o-rings.

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Standard O-Ring Compounds:


O-Ring

Compound

Temperature Range
(°F)

Durometer
(Shore A)

Color

FDA* Approved

Data Sheet

N100-70 Nitrile

General purpose, sulfur-cured Nitrile (Buna-N)

-40 to +250

70

Black

No

N100-70 Technical Report [PDF]

N168-70 FDA

FDA Grade, Nitrile (Buna-N)

-40 to +250

70

Black

Yes

N168-70 Technical Report [PDF]

N140-90 Nitrile

A sulfur-cured, Nitrile compound for high pressure

-40 to +250

90

Black

No

N140-90 Technical Report [PDF]

V700-75 Viton

DuPont Viton®, with exceptional chemical resistance

-20 to +400

70

Black

No

V700-75 Technical Report [PDF]

V708-75 Viton

DuPont Viton®, with exceptional chemical resistance

-20 to +400

75

Brown

No

V708-75 Technical Report [PDF]

V768-75 Viton

FDA & 3A Sanitary Grade. DuPont Viton®, with exceptional chemical resistance

-20 to +400

75

Brown

Yes

V768-75 Technical Report [PDF]

S500-70 Silicone

FDA Grade Silicone compound for food & medical applications

-80 to +400

70

Red

Yes

S500-70 Technical Report [PDF]

E300-70 EPDM

FDA Grade EPDM compound for ozone, water & UV service

-65 to +300

70

Black

Yes

E300-70 Technical Report [PDF]

*FDA per CFR 177.2600