Statotherm P foil

Statotherm P foil <br/>9591/P

Statotherm P foil


Statotherm P Foil 9591 is a gasket sheet consisting of unreinforced, flexible graphite foil with a purity of ≥ 99.85% and a low ash content.Statotherm P foil 9591 a basic gasket material without measurable cold or warm flow, making it usable as a gasket material for fittings and pumps in all branches of industry (especially for emergency repairs and complicated shapes). Equates to the SGL Sigraflex standard.


  • High flexibility
  • Ease of use
  • No measurable cold or warm flow

Operating range

Pressure: p = 40 bar
  • Continuous operation:
    t = -250 °C ... +450 °C
  • Steam: tmax= +550°C
Recommended surface roughness: RZ = 12.5 ... 50 μm

Chemical resistance: pH = 0 … 14
Resistant to almost all organic and inorganic acids, alkalis, oils and solvents. Not suitable for use in highly oxidizing media or in elementary fluorine, bromine, sulfur trioxide or ozone (O3) > 150 °C.

Standards and approvals

  • BAM (upon request)
  • DVGW


9591/P (sheets) 9591/R (rings and cuts) 9591/RIG (rings with inner eyelet) 9591/RA (frames) 9591/S (segments)


For safe operation, always use seals that are dry and undamaged.

Forms of supply

  • Sheets:
    1.000 x 1.000 mm
    0,5 /1,0 /1,5 /2,0 mm thickness
  • Rings and molded parts:
    Standard dimensions as per DIN EN 1514-1 or ASME B16.21