Metallic Gaskets come in a number of different forms and Abbey Seals supply many variations of these: SPIRAL WOUND GASKET Spirally wound metal strip and soft filler material, with or without retaining rings. KAMMPROFILE Concentrically grooved metal core with a soft facing material. CMG Corrugated metal core with a soft facing material. RING JOINTS Solid metal gasket for ring joint faced flanges. Please contact us for your customised metallic gasket specifications.