Elastomer Seals Built for Extremes
Harkesh Rubber engineers high-reliability elastomer components for mission-critical aerospace and defence systems, built to perform where failure is not an option.

What this sector demands
Harkesh Rubber is an ISO 9001:2015 certified manufacturer of precision-engineered rubber components for aerospace and defence programs, where reliability under extreme conditions is non-negotiable. Our elastomer parts are formulated and tested to withstand extreme temperature swings, high humidity, corrosive chemicals, UV and ozone exposure, and the pressures of high-altitude and vacuum environments. From custom diaphragms and O-rings to large structural components and precision plugs, every part is produced with tight tolerances and full material traceability to meet the strict demands of aerospace and defence customers.
Where our parts sit in your system
Fuel and hydraulic system seals resistant to caustic and corrosive chemicals
Components engineered for high-altitude and vacuum environments
Seals rated for extreme high and low temperature fluctuations
UV- and ozone-resistant exterior and exposed components
Parts engineered for high-humidity and desiccation exposure
Components exposed to saltwater, desert sand, and high wind conditions
High-pressure sealing systems for critical assemblies
Custom diaphragms and O-rings for mission-critical equipment
The families this sector buys
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Have a drawing or a sample?
Send it over, our engineering team reverts with material recommendation, tooling and lead time within one working day.


