Rubber: Fluorocarbon Elastomer (FKM) 70 to 80 Hardness, Low Temperature Sealing Tg -40°F (-40°C) For Elastomeric Parts in Aircraft Engine Oil, Fuel and Hydraulics Systems
This specification covers high temperature, compression set and fluid resistant fluorocarbon elastomer material to be used in the form of sheet, strip, tubing, extrusions and molded shapes for aeronautical and aerospace applications.