AMMONIUM IODIDE Resistant O-Rings and Seals
Ammonium iodide is also known as sal ammoniac and is a combination of ammonia and hydrogen iodide. It is a white crystalline solid that is used as a reducing agent in chemical syntheses, as a source of iodine in animal feeds, and as a reagent in organic synthesis.
When rubber is exposed to ammonium iodide, the rubber can become hard and brittle. The rubber can also become discolored and the strength of the rubber can be reduced. Additionally, the rubber can become less resistant to heat, oxidation, and ultraviolet light. The rubber can also swell and become distorted, becoming less flexible. Finally, the rubber can become more susceptible to cracking and tearing.
FKM (Viton®)
Viton ® o-rings from Marco Rubber offer excellent compatibility with a range of chemicals, oils and resist high temperatures up to 400F. Viton ® is also known as FKM made of fluoroelastomer one of the most versatile and widely used sealing materials.
V1000 FKM
- General purpose material
V1003 FKM
- General purpose material
V1007 FKM
- For higher pressure applications
Rubber Material Compatibility with AMMONIUM IODIDE
View some of our other material compatibility ratings with AMMONIUM IODIDE. 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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