Nitrile NBR NBR70 NBR90 rubber O-Rings

1. Description

NBR O-Ring is suitable for use in petroleum hydraulic oil, ethylene glycol hydraulic oil, diester lubricating oil, gasoline, water, silicone grease, silicone oil and other media. It is a widely used and low cost rubber seal.
Not suitable for use in polar solvents such as ketones, ozone, nitrohydrocarbons, MEK.
The general use temperature range is -30~120 ℃. Heat resistance, cold resistance, oil resistance, water tightness, wear resistance, chemical resistance, deformation resistance, mechanical, tensile strength, 10 years.

2. The sealing mechanism of O-Ring

3. O-Ring materials

NBR, FKM, EPDM, silicone, HNBR, FFKM, ACM,  CR, PTFE, FEP/PFA.

4. Product display

5. O-Ring dimensions

We have more than 5000 set molds of O-Rings.

The standard include AS 568, BS 4518, GB/T 3452.1, JIS B2401 P/G/S/V, SMS 1586 , METRIC and JASO F404 etc.

We also can make mold for non-standard dimensions.

If you want to check our O-Ring size list, pls check the below link.

https://www.foreverseals.com/Uploads/pro/NBR-rubber-O-Rings.47.2.pdf