This document defines the requirements of ethylene propylene elastomer (EPM/EPDM) for seal elements for use as static seals in hydraulic systems using phosphate ester fluids, hardness 80 IRHD (International Rubber Hardness Degree) for long term application for aerospace application.
Unless otherwise specified in the drawing, order or inspection schedule, this document shall be used in conjunction with the referenced documents.
Applicable temperature range:
- Continuous service: -55 °C to 107 °C
- Intermittent service: -55 °C to 120 °C