POTASSIUM NITRITE Resistant O-Rings and Seals
Potassium nitrate is also known as saltpeter, nitrate of potash, and nitre. It is commonly used in fertilizers, explosives, fireworks, matches, and food preservatives. It is an odorless, white or yellowish-white crystalline solid.
When rubber is exposed to potassium nitrate, it can cause swelling and brittleness of the rubber, leading to cracking and eventual failure. Additionally, the chemical can cause oxidation of the rubber, leading to a decrease in strength and flexibility and ultimately degradation of the material.
Fluorosilicone (FVMQ, FSIL)
Fluorosilicone o-rings are a hybrid of silicone and FKM resulting in great jet fuel resistance with high and low temperature performance. Also widely used in semiconductor Ashing equipment with strong resistance to oxygen plasma, FVMQ fluorosilicone o-rings also feature excellent flexibility, compression resistance, aging and sunlight resistance, and overall wide range of basic chemical resistance.
F1001 Fluorosilicone
- General purpose material
F1003 Fluorosilicone
- General purpose material
F1000 Fluorosilicone
- General purpose material
Rubber Material Compatibility with POTASSIUM NITRITE
View some of our other material compatibility ratings with POTASSIUM NITRITE. 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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