POTASSIUM METABISULFATE Resistant O-Rings and Seals

Potassium Metabisulfate, also known as metabisulfite of potassium, potassium pyrosulfite, and potassium disulfite, is a commonly used chemical in a variety of industries. It is used in food preservation, water treatment, pharmaceuticals, and in the production of paper, leather and some textiles.

When rubber is exposed to Potassium Metabisulfate, the most common type of failure is swelling. This is caused by the sulfuric acid in the chemical breaking down the rubber, causing it to expand and become brittle. Other forms of failure include discoloration, cracking, and brittleness. In extreme cases, the rubber can become so brittle that it can easily break. It is important to use the correct type of rubber when working with Potassium Metabisulfate to ensure that it does not cause any damage.