Pure graphite foil rings
1380 / 1390

  • resistant against most media, will not be coated by metal and salt melting
  • asbestors-free, no health hazard
  • age resistant and not susceptible to get brittle as no binders and fillers
  • available in high purity
  • long term stability for compression and elastic recovery properties over a wide temperature range
  • low friction values
  • very good temperature change resistance
  • high pressure resistance
Gross density
1,2 – 1,8 g/cm³, (other densities upon request)
98%C or 99,85%C
Purity
t min – 200 °C
Operating temperature
t max +550 °C (steam 600 °C)
in air as of 400 °C (please consult)
Operating pressure
300 bar
Gliding speed
vg(m/s)²
pH
0-14
Approvals
Drinking water
Food
BAM
DVGW
KTW
Areas of use
For universal sealing of fittings,Closure cover seals (Brettschneider-closure), static sealing of machine parts
Profile forms
Square, rectangular, with inside slope, outside slope, with stainless steel reinforcement, reinforcement caps.
Other profiles available upon request
A vast range of forms is available; max. outer diameter 1000 mm.