ETHYL CYANIDE Resistant O-Rings and Seals

Ethyl cyanide, also known as ethanenitrile, is a colorless liquid with a sweet odor. It is commonly used as an intermediate in the production of pharmaceuticals, agrochemicals, and dyes. Additionally, it is used as a solvent in the rubber and plastics industry.

When rubber is exposed to ethyl cyanide, it can cause swelling and cracking of the rubber. This is due to the chemical's ability to penetrate the rubber and break down the polymer chains, causing the rubber to become brittle and crack. Additionally, ethyl cyanide can cause the rubber to become embrittled and more susceptible to cracking and breaking. In extreme cases, exposure to ethyl cyanide can cause the rubber to degrade and disintegrate completely.


Buna-N (NBR, Nitrile, Buna)

Buna-N o-rings also referred to as NBR o-rings and Nitrile o-rings are the most widely used o-ring material in the word because of low cost, good mechanical performance with resistance to water, most basic oils, lubricants and some fuels, many pneumatic, hydraulic systems, and the default choice for basic applications. Buna-N o-rings are not recommended for exposure to sunlight, UV light, ozone and general outdoor weathering or hash chemicals, acids, keytones and many others.

Common Names: Buna-N, Nitrile, NBR, Acrylonitrile Butadiene Rubber


Here are just a few of the products we have available. Buy online or submit a quote for a fast response.
Recommended Material:
B1000 Buna-N
Low Temp
-30 °F (-35 °C)
High Temp
250°F (125 °C)
Base Material
Buna-N (NBR, Nitrile, Buna)
Hardness
70
Color
Black
Attributes
  • General purpose material
Datasheet
Recommended Material:
B1001 Buna-N
Low Temp
-30 °F (-35 °C)
High Temp
250°F (125 °C)
Base Material
Buna-N (NBR, Nitrile, Buna)
Hardness
90
Color
Black
Attributes
  • For higher pressure applications
Datasheet
Recommended Material:
M1004 Buna-N
Low Temp
-65 °F (-55 °C)
High Temp
275°F (135 °C)
Base Material
Buna-N (NBR, Nitrile, Buna)
Hardness
90
Color
Black
Attributes
  • Listed on the Qualified Products List (QPL)
  • For higher pressure applications
Datasheet

Rubber Material Compatibility with ETHYL CYANIDE

View some of our other material compatibility ratings with ETHYL CYANIDE. If you don't see what you're looking for or need more guidance, our team of experienced sealing design engineers can help select the best sealing products and material for your specific application.

View Full Chemical Compatibility Guide
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