Ferric ferrocyanide, also known as iron (III) hexacyanoferrate(III), is a chemical compound commonly used as a mordant in dyeing and printing textiles and as a corrosion inhibitor. It is also used in electroplating, in the production of pigments, as a laboratory reagent and in the manufacture of matches.
When rubber is exposed to ferric ferrocyanide, the rubber material may become brittle or harden over time. This weakening of the rubber material increases the risk of cracks and ruptures, which can eventually cause the rubber to fail. In extreme cases, prolonged contact with ferric ferrocyanide can cause the rubber to degrade and become porous, leading to further deterioration and possible failure.
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.
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