Butyl mercaptan is also known as Butanethiol and is a colorless, unpleasant-smelling liquid used in the production of rubber, pesticides and pharmaceuticals. It is also added to natural gas and propane to detect leaks. Common types of failure when rubber is exposed to butyl mercaptan include swelling of the rubber, loss of strength and elasticity, and cracking. In extreme cases, the rubber may become brittle and break apart.
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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