Burachem Brown 9655/R

Burachem Brown 9655/R

Burachem Brown 9655/R


PTFE-based gasket sheet filled with silicate. Burachem Brown 9655/R can be used in considerably higher pressure/temperature, ranges compared to conventional PTFE. It is the ideal gasket for standardization as Burachem Brown 9655/R offers a wide range of chemical and mechanical properties.


  • Ideal gasket for standardization due to wide range of applications

Operating range

Pressure: p = 83 bar Temperatur
  • Continuous operation:
    t = –210 °C ... +260 °C
  • Recommended surface roughness:
    RZ = 12,5 ... 50 µm

    Chemical resistance:
    pH = 0 ... 14
    Universal chemical resistance, even to concentrated acids and alkalis. Not suitable for use in hydrogen fluoride, fluorine compounds or in molten alkali metals.

Standards and approvals

  • FDA
  • TA Luft
  • BAM (upon request)
  • DVGW
  • Germanischer Lloyd
  • EG 1935/2004


9655/RP (sheets)
9655/RR (rings and cuts)
9655/RRIG (rings with inner eyelet)
9655/RRA (frames)
9655/RS (segments)

Forms of supply

  • Sheets:
    1.200 x 1.200 mm
    1,0 mm thick
    1.500 x 1.500 mm
    / 1,5 / 2,0 / 3,0 mm thickness
  • Rings and molded parts:
    Standard dimensions as per DIN EN 1514-1 or ASME B16.21