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.
B1000 Buna-N
- General purpose material
B1001 Buna-N
- For higher pressure applications
M1004 Buna-N
- Listed on the Qualified Products List (QPL)
- For higher pressure applications
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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