1 Scope
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:
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— continuous service: −55 °C to 107 °C;
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— intermittent service: −55 °C to 120 °C.