Sodium perborate is a white, crystalline compound also known as sodium tetraborate or sodium borate. It is used in laundry detergents, bleaches, sanitizing products, and as a mild antiseptic. It is also used in the food industry as a bleaching agent in the production of flour, starch, and some cheeses.
When rubber is exposed to sodium perborate, it can cause swelling, hardening, cracking, and other forms of deterioration. If exposed for extended periods, the rubber may become brittle and could eventually break down completely. To avoid these problems, rubber parts should be given a protective coating to resist the effects of sodium perborate.
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.
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