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HYJET S4 Chemical compatibility with O-rings, rubbers, & plastics

Hyjet S4 is a synthetic hydraulic fluid designed for use in aircraft systems, offering superior fire resistance, thermal stability, and lubrication properties. It meets stringent aerospace standards and is compatible with a wide range of aircraft materials and components. Hyjet S4 ensures reliable performance in high-pressure and high-temperature environments, maintaining the efficiency and longevity of hydraulic systems. While synthetic hydraulic fluids like Hyjet S4 are more expensive than traditional petroleum-based options, their enhanced safety and performance benefits often justify the cost. Proper handling, storage, and maintenance are essential to ensure safe usage and adherence to aviation safety regulations.

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Need HYJET S4 resistant plastics, O-rings, rubbers, and seals? Get in touch now!


Canyon Components strives to meet all customer service requests. If you need something that isn't listed below, feel free to contact a Canyon Components product and application consultant and let our knowledgeable staff help you design the perfect part for your needs.

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