Railway applications

DuPont™ Typar® SF :

  • Avoids ballast contamination by pumping effect due to dynamic loading
  • Allows better compacting and aggregate saving
  • Retains soil particles without clogging
  • Ensures longer service life

DuPont™ Typar®

Specifically developed to respond to the installation challenges of geotextile the DuPont™ Typar® products are an important breakthrough compared to other traditional construction techniques.

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Technical information

Find here all the technical documentation about DuPont™ Typar®: technical handbook, brochures, certificates, technical datasheets, test methods, case studies etc.

Test methods

DuPont™ Typar® SF products are tested according to the European Standard Tests that are accepted not only throughout the European Union but throughout Europe and have widely been adopted by ISO (International Standard Organisation).

Typar® SF: Independent tests on filtration performance
Typar® functions: Filtration
Installation guidelines

Find here all the installation guidelines for DuPont™ Typar® in different types of applications.

Typar® functions: Protection
Typar® functions: Separation and Stabilisation
The Energy Concept