Oring Cord NBR
(NBR) O-Ring cord, Are one of the most commonly used sealing elastomers due to resistance to petroleum-based fuels and lubricants and its relatively low price. Nitrile elastomers are copolymers of acrylonitrile and butadiene. There are a number of common variations of nitrile compounds. Nitrile O-ring cord may also come in a metal detectable variation, while retaining the same qualities as the general Nitrile o-ring compound.
For Applications requiring o-ring cord with high visibility, High-Visibility Nitrile O-rings are recommended. High-Visibility o-rings maintain properties identical to its original compound, with the addition of a distinguishable neon green hue.
Standard NBR O-Ring cord are usually sulfur-cured. Sulfur-cured compounds offer better low-temperature properties but are more prone to hardening with high temperatures. Peroxide-cured nitrile o-rings have better heat resistance and lower compression sets but are more expensive and more difficult to process. Standard materials in stock include sulfur-cured 70 & 90 durometer .
Tempreture: -55c up to +135c also there is other hardness grade -29c up to +100c
Preferred Environments to Use NBR O-Ring cord
Performs Well In: | Doesn’t Perform Well In: |
| -Petroleum-based oils and fuels -Aliphatic hydrocarbons -Vegetable oils -Silicone oils and greases -Ethylene glycol -Dilute acids -Water up to 100C | -Aromatic hydrocarbons -Automotive brake fluid -Chlorinated hydrocarbons -Ketones -Ethers -Esters -Phosphate ester hydraulic fluids -Strong acids -Ozone, weathering, and sunlight |
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