Gaskets and Sheet Jointings

Supagraf® Laminated N7

Sheet jointing of 98% pure exfoliated graphite with a bonded central layer of 13µm thick nickel foil. Sheets thicker than 2.0mm have two layers of metal foil and three of graphite.

Prime features

  • Extra strength for ease of handling and fitting.
  • Excellent sealing integrity.
  • Can be cut with hand tools.

Physical properties
(Typical values for 1.5mm thick sheet)
Density (graphite), Mg/m³:  0.7
Compressibility, %:   45  (ASTM F36A)
Recovery, %:  17  (ASTM F36A)

Service capability
Maximum temperature (oxidising media):  +400°C
Maximum temperature (*inert/reducing media):  +1000°C
Minimum temperature:  -200°C.
(*Ensure that temperatures above +400°C on atmosphere side of flange do not cause gasket to oxidise inwards from the outside edge.)

How supplied 
Precision cut gaskets to any shape, size and quantity. In sheets: 0.5m x 1.0m, 1.0m x 1.0m. Thicknesses: 1.0mm, 1.5mm, 2.0mm, 3.0mm.

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