What is ETPU used for?

2025-09-22

Expanded thermoplastic polyurethane (ETPU) is a high-performance polymer material widely used in various industries, with excellent flexibility due to wear and impact resistance. ETPU is a major manufacturer and supplier in China, and our factory adopts advanced technology to ensure material quality. Meet the needs of global customers.


This article provides a detailed introduction to the application areas, main characteristics and production parameters of ETPU, as well as common questions about customer orders, to help you better understand these high-quality materials.

 ETPU Foam Molding Equipment

The core application areas of ETPU


1、Automotive Industry

✅ Seat filling material

Function: Improve driving comfort, reduce wearing, even after long-distance travel.

Advantages: Aging resistance, long lifespan, superior to traditional fungi.

✅ Soundproofing and shock-absorbing pads

Function: Used for doors, chassis, engine compartment, absorbing vibration and noise (NVH optimization).

2、 Architecture and Packaging

✅ Seismic resistant packaging materials

Function: Used for the transportation of precision instruments and electronic products to prevent impact damage.

Advantages: lightweight (density 0.1~0.3g/cm ³)

✅  Building sealing strip/sound insulation layer

Function: Waterproof, soundproof, shockproof, adaptable to temperature changes (strong weather resistance).

3、Sports protection and healthcare

✅ Sports protective equipment

Function: Absorb energy and exchange shocks, reduce exercise risks.

Advantages: lighter and stronger than EVA.

✅ Medical orthodontic flooring

Function: Improve the upper part of the leg, simplify the equal leg, diabetes and other problems.

4、Industrial and Military Planning

✅ Explosion proof buffer layer

Function: Used for military and police equipment, with shooting capabilities and concerning shooting abilities.

Features: High strength, tear proof.

✅ Legitimate transaction marketing

Function: Reduce vibration and noise during the operation of mechanical equipment.





The core advantages of ETPU

Performance ETPU Characteristics Comparison with Traditional Materials (such as EVA, PU)
Elasticity High resilience (over 60%) EVA resilience is only 40% - 50%
Durability Compression - resistant deformation (permanent deformation ≤20%) PU is prone to hydrolysis, EVA is prone to collapse
Weight Ultra - light (0.1 - 0.3g/cm³) 50% lighter than rubber
Temperature Adaptability Stable use from -40°C to 90°C EVA becomes brittle at low temperatures
Environmental Protection Recyclable, pollution - free PU is difficult to degrade

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