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Sofprene® TPE-S (TPS)

Producer: Celanese
Polymer type TPE-S

Celanese TPE-S Sofprene® Tis a thermoplastic elastomer based on SBS (styrene-butadiene-styrene) that can be processed either by injection molding or extrusion. Sofprene® T TPS is also suitable for 2K molding with PP (standard grades) and PS (special grades).

General info

The Elastic characteristics of a thermoplastic elastomers like Sofprene® T tend to be reported as a key properties (unlike standard plastics). Therefore for the TPE families the most important general properties tend to be :

  • Hardness : measured in Shore A or Shore D.
  • Compression set : A value describing the elastic properties Sofprene® T TPS . Compression set measures the permanent deformation of the polymer under a specified load and Temperature for a measured time . The lower the percentage value , the better Sofprene® T TPS resists permanent deformation and is thus more elastic.
  • Density: Varies greatly grade by grade and thus significantly influences the final part price.

TPS (TPE-S) Sofprene® T offers a wide range of grades:

  • Hardness range from 25 Shore A to 40 Shore D
  • With low temperature limit down to -50°C
  • With max continuous temperature up to 60°C
  • High transparency grades
  • Density range from 0,90 g/cm3 up to 1,25 g/cm3

Main Sofprene® T TPS properties are:

  • High elastic recovery within at low as well as room temperature
  • Limited UV resistance
  • Excellent colorability
  • High thermal and electric insulation values
  • Good abrasion resistance
  • Specific rheology for each type of processing


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