Nitrile 70 British Standard O-Rings (NBR 70 BS o-rings)
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Nitrile O-Rings NBR 70 BS001 to BS050 Cross Section 1.02mm to 1.78mm£0.0108 – £0.2594
Nitrile O-Rings NBR 70 BS102 to BS178 Cross Section 2.62mm£0.0090 – £0.7227
Nitrile O-Rings NBR 70 BS201 to BS284 Cross Section 3.53mm£0.0195 – £2.4669
Nitrile O-Rings NBR 70 BS309 to BS395 Cross Section 5.33mm£0.0693 – £4.6560
Nitrile O-Rings NBR 70 BS425 to BS475 Cross Section 6.99mm£0.8697 – £6.4034
Click on a size range above to buy your Nitrile 70 BS O-Rings
Nitrile 70 bs o-rings o-rings are widely used in the seal industry. Nitrile 70 bs o-rings offer excellent resistance to petroleum products. They can also be compounded for service over a temperature range of -40°C to 135°C. Special Nitrile compounds offer temperature ranges of -55°C to 135°C (Dry Heat Only).
Nitrile 70 bs o-rings provide excellent compression set, tear, and abrasion resistance.
The major limiting properties of nitrile are its poor ozone and weather resistance and moderate heat resistance. However, in many applications these are not limiting factors. Nitrile o-rings are commonly referred to as a Buna o-ring, or NBR o-rings. We offer a selection of both the standard AS568 o-ring and the metric o-ring in our online store. We can supply many other different sizes. Please contact us with your specific requirements.
Carboxylated Nitrile can have superior abrasion resistance, while still having improved oil resistance.
To find out more technical information on Nitrile o-rings materials, please see our Nitrile Material Data Sheets page.