HNBR O-rings | Plastik Solutions

Overview

Hydrogenated nitrile — an upgraded NBR with significantly better heat, ozone and abrasion resistance, plus improved compatibility with refrigerants, biofuels and sour gas. Available in 70 and 90 Sh A.

Specifications

Core material	HNBR (hydrogenated nitrile)
Service temperature	−40 to +150 °C
Hardness	70 / 90 Sh A
Standard sizes	Metric and imperial (AS568) on request — bespoke sizes available

Typical Applications

Refrigeration (R134a, R1234yf)
Biofuel and biodiesel sealing
Sour-gas and downhole oil-and-gas equipment
Automotive AC systems
High-pressure dynamic seals

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)

Nitrile (NBR) O-rings

−30 to +100 °C · NBR (acrylonitrile-butadiene)

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)

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