Vulcan VG8L is inter-braided from continuous filament, textured, airblown glass yarns. The glass fibres are heavily lubricated and thoroughly impregnated with PTFE dispersion and an inert lubrication, both prior to and subsequent to braiding.
Vulcan Type VG1D is square braided from continuous filament, texturized glass fibres reinforced with Inconel wire and impregnated yarn by yarn with pure Graphite powder and a corrosion inhibitor.
Vulcan VG1L is an alternative packing for light duties. VG1L is interbraided from continuous filament, textured air-blown glass fibres thoroughly impregnated with mineral oil lubricants and graphite.