This article will outline the main differences between Aflas® vs Viton® O-rings. Customers typically request FKM or FFKM for harsher working conditions. However, choosing a lesser known compound can save a lot of money in the long term. Aflas® is a member of the fluoroelastomer family based on an alternating copolymer of TFE and propylene (FEPM). Introduced by the Asahi Glass Ltd under the name AFLAS®, just 5 years after the invention of FKM, in 1975. The unique polymer structure of Aflas® offers properties with a continuous working temperature of 200°C and a maximum peak exposure temperature of 205°C, with outstanding chemical resistance.  Lees verder →