Trekollan®

Trekollan® – a highly flexible material system

Trekollan® is our polyurethane material manufactured at our production facility in Traryd. With our Trekollan® materials, we offer polyurethane with excellent properties. We have a highly flexible facility where we can switch very quickly between our different material grades.

We currently supply Trekollan® grades from 25 Shore A to 60 Shore D.

Manufacturing process

The material is a cross-linked elastomer which, depending on grade, may consist of ester or ether polyols and diisocyanates (MDI – diphenylmethane diisocyanate) or (TDI – toluene diisocyanate), where manufacturing is carried out in several stages through chemical reactions. The manufacturing process is highly precise and is performed either using a mixing machine or a manual mixing process, which makes us extremely flexible. Regardless of material grade, post-curing of the material is required at approx. 110°C for at least 16 hours.

 

Trekollan

Material properties

Trekollan® has a wide range of outstanding properties

The grades based on ester polyol are characterised by very high abrasion resistance and tear strength. Suitable applications may include: scrapers, wear plates, concrete linings, damping washers, ploughshares, etc.

The grades based on ether polyol are characterised by good hydrolysis resistance, low heat build-up and resilience. Suitable applications may include environments where the material is exposed to heat and water, e.g. washing equipment, blasting protection (large angle of incidence), wheels (low heat build-up), etc.

There are also highly suitable materials for application rollers (varnish rollers) with very good solvent resistance, as well as materials with FDA approval for food handling.

Polyurethanes are available as rubber, thermoplastics, thermoelasts, thermosets, cellular plastics, fibers, foils, rocket fuels, and as binders for paints, lacquers, and adhesives. Depending on the structure, polyurethanes can be processed in different ways. They can be reaction-molded using high-pressure or low-pressure machines, injection-molded, extruded, pressed, and foamed using several methods.

Ester urethanes

  • Low temperature dependence
  • Good hydrolysis resistance
  • Low heat build-up
  • High resilience

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Ether urethanes

  • High abrasion resistance
  • High tear strength
  • Good resistance to UV radiation, ozone, greases and oils
  • High wear resistance