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PP (polypropylene)

PP is a semi-crystalline thermoplastic with similar properties to PE 500.

However, it has higher strength, stiffness and hardness. Below the freezing point, however, PP is very sensitive to impact. Its chemical resistance is comparable to that of PE. Polypropylene can be very well adapted to the desired application by adding reinforcing and filling materials.


The properties of PP are:
  • low density compared to other materials
  • minimal water absorption
  • excellent chemical resistance even against solvents
  • high corrosion resistance
  • relatively high surface hardness
  • very good electrical insulator
  • sensitive to cold
  • weldable
  • very reasonably priced material


PP can be applied in the following areas:
  • Pump and valve parts
  • Gaskets
  • Components in electroplating
  • Chemical tank and apparatus construction
  • Air conditioning and ventilation technology
  • Medical engineering

Modification options

Modification by additives for the improvement of properties.
  • PP GF30 (with 30% glass fibers for higher stiffness and dimensional stability)
  • PP MT (biocompatible PP for medical applications)
  • PPs (flame retardant polypropylene)


Your personal contact

  • Stefan Geis

    Stefan Geis

    Purchasing and internal sales department Material procurement and order processing
  • Heinz Otto Kuhn

    Heinz Otto Kuhn

    CEO and Founder Application consulting, calculation and purchasing
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