Champion GS 64T is Reinforced by a tanged (microperforated) 0.1mm thick stainless steel carrier of 1.4401(316) on .

Flexible graphite foil with >99.5% carbon content for ultra high purity applications

Champion GS 64WM isReinforced with wire mesh SS wire of 1.4401(316) on expanded flexible graphite sheets .

Champion GS 64 Pure Expanded graphite sheets are selected from the high purity natural flake graphite.

Champion GS 64FM is Reinforced by a Foil 0.05mm thick stainless steel carrier of 1.4401(316).