Nitrile (NBR) O-rings | Plastik Solutions

Overview

The workhorse general-purpose o-ring — excellent resistance to mineral oils, hydraulic fluids, fuels and water. Available in 70, 80 and 90 Sh A hardness for static and dynamic applications. Limited by ozone, weather and aromatic fuel exposure.

Specifications

Core material	NBR (acrylonitrile-butadiene)
Service temperature	−30 to +100 °C
Hardness	70 / 80 / 90 Sh A
Standard sizes	Metric and imperial (AS568) on request — bespoke sizes available

Typical Applications

Hydraulic and pneumatic systems
Mineral oil and fuel sealing
General machinery seals
Automotive and mobile equipment
Cost-sensitive volume applications

All O-ring Materials

Browse other o-ring materials in our range.

FEP / Silicone Encapsulated O-rings

−60 to +205 °C · Silicone elastomer

FEP / Viton Encapsulated O-rings

−20 to +205 °C · FKM (Viton) fluoroelastomer

PFA / Silicone Encapsulated O-rings

−60 to +260 °C · Silicone elastomer

PFA / Viton Encapsulated O-rings

−20 to +260 °C · FKM (Viton) fluoroelastomer

Cryogenic O-rings (Spring-Energized)

−200 to +260 °C · 302 stainless steel spring

PTFE O-rings (Solid)

−200 to +260 °C · Solid PTFE (no core)

FKM (Viton) O-rings

−20 to +200 °C · FKM (fluoroelastomer)

EPDM O-rings

−40 to +150 °C · EPDM (ethylene-propylene-diene)

Red Silicone O-rings

−60 to +200 °C · VMQ (silicone)

HNBR O-rings

−40 to +150 °C · HNBR (hydrogenated nitrile)

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