Material Type: black perfluoroelastomer compound, hardness Shore A81-87.

Features: It has excellent chemical resistance, good mechanical properties an outstanding thermal stability, FF4685 parts provide reliable, long-term service with wide range of aggressive industrial and electronic grade chemicals. FF4685 expands on the capabilities of FF3070 by offering much lower compression set, increased seal force retention, broader chemical resistance and higher temperature stability.

Continuous Upper Service Temperature: +305°C

Applications: FF4685 is used in highly aggressive chemical processing, semiconductor wafer processing, pharmaceutical, oil and gas recovery, aerospace and petroleum applications.