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PTFE compounds   Applications & characteristics
  • High voltage insulators
  • Highest dielectric strenght
  • Used also for SF-6 switches
  • X-ray suitability
  • Very high pressure resistance and hardness
  • High resistance against gap-extrusion (slit)
  • Low cold flow
  • High heat absorbtion and conductivity
  • Smooth running characteristic
  • Preferred usage in hydraulic & pneumatic systems
  • Electrical conductivity with low filler content
  • Good dry running characteristics
  • Advanced pressure resistance & hardness
  • Hydrochloric acid resistant
  • Usable for food and drug application
  • Good choice for water applications
  • Electrical conductivity when highly filled
  • Prefered sealings & bearings in piston compressors
  • V-rind-packings
  • Lipseals
  • Piston-rod-pack
  • Seals for powder stearing box (hydraulic)
  • Sealing rings & guide rings in high-pressure piston-compressors
  • Already with low filler content of 10-20% extremely high wear characteristics
  • Minimum abrasion at the counterpart surface, when using soft metals, for example alu-hard
  • Pressure & wear resistance
  • Substitute for glass & carbon compounds
  • Low abrasion at the counterpart surface
  • For high speed rotating radial sealings
  • High temperature resistance (>300°C)
  • Dimensional stability at high temperatures
  • Food & drug approval
  • Dimensional stability at high temperatures
  • High pressure resistance
  • Good stiffness & wear properties
  • Good chemical resistance for ex. against organic solvents
  • MoS2 content reduces friction in glall compounds
  • Recuces abrasion of the metal counterpart
  • Not suitable for soft metal counterpart, then GL-M is limited to low filler content as 5%M + 5%GL
  • Suited for synthesis & process gases
  • Usage againts aggressive & corrosive agents
  • Hot water & steam applications
  • Good heat conductivity
  • Food & drug applications
  • Wear characteristics approx. x5 better than virgin PTFE
  • Low coefficient of friction compared to: GL, CAR, BRR
  • Low abrasion when used against soft metal counterparts
  • Low hardness compared to standard compounds as GL, CAR, BRR
  • Usage to be compared to FT-AL... & FT-CAF... (see top of page)
  • Increased cristallinity & creates better pressure & wear properties already at low filler content (0,1-0,2%)
  • Low friction coefficient, approx. as FT-GR...
  • Dry running possibility in combination with FT-BRR...
  • Not resistant against oxydising acids
  • Usage in steam-valves, ball-seats, ...
  • Only for low speed applications & static seals
  • Usage same as FT-NI...
  • Not for radiation applications
  • High temperature dimension stability
  • Increases binding PTFE+bronze+carbon when used as additive
  • PPS used alone for similar applications as FT-EK...
  • PEEK increases the hardness & pressure resistance, also in combination with bronze

Filler % suggested by Flontech
  • Sealings for automatic gear boxes, counterparts alu-hardened, for automotives, passenger cars, trucks, ...
  • Elongation characteristic nearly same as the alu-quality
  • Highest pressure resistance and lowest abrasion of seals and counterpart
  • Temperature range up to 200°C permanent use
  • Piston and guiding rings in high pressure compressors
  • Highest pressure resistance and wear characteristics
  • Usage when all standard compounds fail (FT-BRR... & FT-CAR...)
  • Sealings for water & and gas valves, seals must keep full sealing function also after several openings and closing of the sealing seat
  • Extremely high elongation for a compound with 25% glass-fibers and colour additive
  • Sealings will oversnap when fit into the groove, without changing of dimension
  • Ring tolerance are kept within a very small range
  • Sealing & bearings for static & dynamic usage
  • Increased pressure resistance and wear results compared to unfilled PTFE even though filler content is rather small
  • Not usable againts oxydising agents
  • Usage for dry running
  • Good for hard counterparts
  • Wear resistance 20% better than FT-AR...
  • Not useful against soft metal (alu-bronze-brass)
  • Not usable againts oxydising acids
  • Good usage against soft metals, especially alu, bronze and brass
  • Approval for food-industry usage
  • No use against alcoholic solutions % oxydising acids
  • Special usage for humid & wet applications as seal & bearings
  • Low coefficient of friction when contact to lubrificating liquids (water, acids, ...)
  • Very high wear resistance
  • No usaga against oxydising acids
  • Very good chemical resistance and dielectrical properties
  • Usage for average mechanical properties, speed, pressure & temperatures
  • Hard counterpart surface
  • Good for all lubrificating medias
  • Food industry approval
  • Pharmaceutical industry
  • Low abrasion when used against soft metal counterparts
  • Very high hardness & compression strength
  • Good heat conductivity
  • Low cold flow
  • Very good wear properties, low abrasion
  • For high mechanical purpose, faster speeds, average temperatures, high pressures
  • For hard counterparts
  • Oil hydraulik, pneumatic, not for hydrous liquids (water) applications
  • Not for aggressive media (acids)
  • Good chemical resistance, higher pressure, good dielectrical properties
  • High abrasion resistance
  • Higher mechanical purpose, higher pressure, average speeds & temperatures
  • For hard counterpart use
  • Comparable to FT-T42
  • Good heat conductivity
  • Higher speed
  • Hard and soft counterparts
  • No lubrificating conditions
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