We all work materials as well :

Spiral wound gaskets :
Rings material : Stainless steel, Monel, Nickel, Titanium, Inconel...
Winding material: PTFE, Graphite, Mica and multi zones

Metal grooved gaskets flat or convex: (Kammprofile) :
Material: Stainless steel, Copper, Nickel, Monel, Inconel, Titanium and Hastelloy...
Soft material both sides: Silver coating, Mica, PTFE, Graphite.

Metallic gasket-flat or corrugated :
Packing material: PTFE, Mica, Graphite...
Forme Kamprofil.

The O Rings and ring joints :
Section: Octagonal, Oval, Symmetric and Asymmetric,
Lenticular gaskets, curved,
Welded metallic gaskets,
Corrugated metal gaskets with or without soft sealing material (PTFE, Graphite Mica).

Electrical insulating joints :
Phenol and Neoprene material.

joint metallique