Products

  • Pressed panels
  • Pressed rods
  • Pressed pipes
  • Ram extruded rods
  • Ram extruded pipes
  • Peeled PTFE films and panels
  • PTFE glass fabrics
  • PTFE hoses
  • PTFE sealing tape
  • PTFE packing cord
  • Single-sided adhesive PTFE flat sealing tape
  • PTFE O-rings
  • PTFE-coated elastomer O-rings
  • FEP and PFA-coated Viton and silicon O rings
  • Gaskets made of PTFE and modified PTFE (including DyneonTM TFMTM)
  • PTFE-coated gaskets
  • Seals for valves and ball valves
  • Lip seals
  • Cap seals and cup seals
  • Shaft seals
  • Collar joints
  • Chevron packing
  • Piston guide rings and tapes
  • Piston and rod seals
  • Support rings
  • PTFE bellows as
    • compensators
    • spindle covers
    • Valve bellows
    • Pump bellows
  • Ball seats and ball valve coatings
  • Sliding discs and bearing bushes
  • Isolating elements
  • Specialized made-to-order parts for your use

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We want you to have the most effective solution possible. Some parts have to be made from engineering plastics or other high performance plastics for technical or business reasons. We provide this option and bring our specialization in the machining of plastics and years of materials expertise to bear.

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Fluorocarbons

Source: Saechtling: Kunststofftaschenbuch, 25. Ausgabe S. 314

PropertiesUnitPTFEPVDFPCTFEEFTE
max. continous service temp.°C+260+150+170 bis +180+150
Becomes brittle below°C-200-60-40-180
Densityg/cm32,13 – 2,231,76 – 1,782,07 – 2,121,67 – 1,75
Tensile strengthN/mm220 – 4040 – 6030 – 4035 – 45
Elongation at break%140 – 40025 – 400175200 – 500
Young modulus (elasticity)N/mm2350 – 7501000 – 30001300~1000
Shore hardness – D–55 – 6077 – 8273 – 7967 – 73
Thermal expansion coefficient10-5 K-11610513
20 – 100°C
Thermal conductivity at 20°CW / (mK)0,240,170,260,24
Oxygen indexVol – %O29544 – 489432 – 37
Specific resistanceW. cm1018101410151016
Dielectric strengthkV/mm55–30 – 4035 – 45
Surface resistanceW1017–175200 – 500
Water absorption (comparison 24h)%00,0300,02
Expanding agent–none in the standard temperature rangeketones, esters at high temperaturessome chlorinated hydrocarbonssome halogenated solvents at high temperatures
Chemically attacked by–molten or dissolved NA metal, F, FCl3 at high temperaturesfuming HNO3 and H2SO4, amines, pyridinessimilar to PTFEfuming H2SO4 and similar