The filler tape of spiral wound gasket usually is flexible graphite tape.
Flexible graphite tape (expanded graphite tape) is the mainly filler tape of spiral wound gasket, this tape was cut from flexible graphite rolls, the width usually from 3mm to 100mm ,or other size below 1500mm.
This graphite tapes also can use for making graphite died form ring or metal double jacketed gasket.
50m or 100m
Tolerance of thicknss
>=98% or 99.5%
Ignition loss 450°C
Ignition loss 600°C