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Ultrapolymers Group NV

Gerard Mercatorstraat 90
3920 Lommel
Belgium [at]


Ultrason® grades are high-temperature resistant, amorphous thermoplastics derived from polysulfone (PSU), polyethersulfone (PESU) and polyphenylsulfone (PPSU). Their wide spectrum of properties allows them to be molded into high-quality engineering parts and highly stressed mass-produced articles.

  • Electronic parts
  • Automotive
  • Replacement of thermosets, metals and ceramics
  • Temperature independent properties
  • Very high long-term temperatures
  • Good dimensional stability
  • High stiffness
  • High mechanical strength
  • Good electrical insulation properties
  • Favourable dielectric properties
  • Very good fire behaviour
  • Excellent hydrolysis resistance