AMMONIA Resistant O-Rings and Seals
Ammonia is also known as azane, spirit of hartshorn, and aqua fortis. It is commonly used in fertilizer production, as a refrigerant, and as a household cleaner. Common failure types of rubber when exposed to ammonia include cracking, dry rotting, and loss of elasticity. When exposed to high concentrations of ammonia, the rubber may become brittle, swell, and eventually disintegrate.
EPDM (EP, EPR, Ethylene-Propylene Rubber)
EPDM o-rings, or ethylene propylene o-rings, are a family of synthetic elastomers with lower cost steam and chemical resistance, particularly for applications involving solvents, acids and other mild chemicals. Marco Rubber has the world’s largest inventory network of EPDM o-rings and made on demand custom manufacturing often without tooling fees, so the EPDM o-rings you need are always available. Whether it’s for water systems, braking systems, medical, pharmaceutical, food or dairy use, you can count on Marco Rubber to deliver your o-rings fast and efficiently.
E1055 EPDM
- Peroxide cured
E1000 EPDM
- Compliant to FDA specification 21 CFR 177.2600 for use in food and beverage contact applications
- Certified to NSF 61 specification for use in drinking water applications
- Peroxide cured
E1074 EPDM
- Certified by 3-A Sanitary Standards
- Raw materials used in production contain no Animal Derived Ingredients (ADI)
- Compliant to FDA specification 21 CFR 177.2600 for use in food and beverage contact applications
- Tested and certified to USP Class VI specification for use in medical applications
Rubber Material Compatibility with AMMONIA
View some of our other material compatibility ratings with AMMONIA. 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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