Laripur® 4525EG is a polyester-based thermoplastic polyurethane (TPU) designed for specific applications. This TPU is employed in the extrusion process for manufacturing hoses, profiles, transmission belts, and films. The choice of a polyester base suggests that this TPU may offer a balance of properties, making it suitable for various applications where flexibility, resilience, and mechanical strength are essential.

Polymer Name: Thermoplastic Polyurethane (Polyester based)

Processing Methods: Extrusion

End Uses: Belts & Belt Repair, Film, Hoses, Profiles

Technical Data Sheet

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Enhanced TDS

Identification & Functionality


Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Processing Recommendations

Material needs to be dried prior processing at 175-195 °F for 3 hours, preferably using a dehumidifying drier fed by air exhibiting a dew point lower than -22°F.
Suggested extrusion temperature profile

Zone Temperature
Zone 1 390°F
Zone 2 400°F
Zone 3 410°F
Zone 4 40°F
Adapter 390°F
Die 385°F


Being affected by type of machine used, processing conditions and downstream equipment, the temperature profiles as given above has to be considered as just indicative.



Physical Form
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Tensile Strength8800psiASTM D412
Vicat Softening Point120°FASTM D1525
Tensile Modulus (at 50%)1400psiASTM D412
Tensile Modulus (at 300%)3700psiASTM D412
Tensile Modulus (at 100%)1600psiASTM D412
Tear Strength126N/mmASTM D624
Specific Gravity1.22g/cm³ASTM D792
Shore Hardness46A ScaleASTM D2240
Flexural Modulus14300N/mm²ASTM D790
Abrasion Loss35mm³DIN 53516
Elongation (at Break)510%ASTM D412

Packaging & Availability

Packaging Type
Regional Availability
  • Canada
  • USA
Packaging Information

Laripur® 4525EG is supplied in regular pellet form and it is packaged in 25 kg bags or 500 kg and 1000 kg octabins.

Storage & Handling

Shelf Life
6 months
Storage and Shelf Life Conditions
  • Laripur® 4525EG must be stored in its original and sealed containers and kept in a dry and well ventilated place; avoiding the direct sun radiation.
  • The shelf life of Laripur® 4525EG will be 6 months from the date of delivery to the final customer, when stored in its original sealed packaging and in proper conditions