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Thermoplastic polyurethane

TPU material pathways

A controlled selection route across polyester-based, polyether-based and polycaprolactone-based TPU where strength, flexibility, wear, chemical exposure, temperature and processing all shape the final grade decision.

Thermoplastic polyurethane material diagramA stylised TPU wheel and flexible polymer chain showing strength, flexibility and material customisation.ABRASIONFLEXIBILITYCHEMICALCUSTOMISATION

TPU type, hardness, additive package and processing route must be matched to the final part and service environment.

Source boundary: The supplied technical source identifies polyester-based, polyether-based and polycaprolactone-based TPU types and describes strength, flexibility, durability, abrasion resistance, chemical resistance, low-temperature performance, UV resistance and additive customisation. No approved public Urechem TPU grade codes or processing windows were supplied.

TPU types

Start with the polymer family, then define the service environment

Polyester-based TPU

A TPU selection pathway where abrasion resistance, tensile performance and chemical resistance are central to the requirement.

Reference strengths

  • Abrasion-resistance pathway
  • High tensile-strength potential
  • Broad hardness and transparency options

Selection questions

  • • Expected chemical exposure
  • • Target hardness and surface response
  • • Processing method and part geometry

Polyether-based TPU

A TPU selection pathway for flexible parts that may require low-temperature response and hydrolysis-resistance review.

Reference strengths

  • Low-temperature flexibility pathway
  • Hydrolysis-resistance pathway
  • Customisable additive package

Selection questions

  • • Moisture and hydrolysis exposure
  • • Minimum service temperature
  • • Required flexibility and rebound

Polycaprolactone-based TPU

A specialist TPU pathway where mechanical durability, flexibility and application-specific processing need to be balanced.

Reference strengths

  • Durability-focused pathway
  • Mechanical-strength and flexibility balance
  • Application-specific customisation

Selection questions

  • • Load and wear pattern
  • • Target service life
  • • Moulding, extrusion or other processing route

Range advantages

Properties identified in the supplied TPU reference

These are material-selection directions, not guaranteed values for an unspecified grade. Final performance depends on formulation, hardness, additives, processing and test conditions.

Good abrasion resistance

Excellent chemical-resistance pathway

Transparency options and a wide hardness range

High tensile-strength potential

Excellent low-temperature performance pathway

UV-resistance pathway

Customisability

Compatibility review for UV, flame-retardant, antioxidant and colourant additive packages

Grade selection

Share the part geometry, hardness, wear, chemical, temperature, colour, UV and processing requirements.

Ask for TPU documents