The Durlon® K40-ETG Kammprofile Gasket combines the proven sealing characteristics of a precision-machined serrated metal core with chemically resistant PTFE facing layers. It delivers exceptional performance in corrosive and hygienic applications where gasket integrity and cleanliness are paramount. The K40-ETG is ideal for non-metallic flanges, glass-lined equipment, and piping systems in the chemical, food, and pharmaceutical industries—where torque sensitivity, chemical compatibility, and cleanliness are critical.