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Expanded TPU

Low density + High elasticity

 

ISOTHANE ETPU has light density and high elasticity. Even at negative temperature, it can withstands prolonged and repeated compression without permanent deformation. ETPU (expanded thermoplastic polyurethane) offers a perfect combination of soft texture and great elasticity. ISOTHANE ETPU- colorful foam beads with high elasticity, customized different color and particle size for lightening era.

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  • Super response : Rebound rate could be up to 63%
  • Low density : Density : 100-200 kg/m3
  • Good performance at low temperature : High elasticity and softness even in low temperature.
  • Anti-yellowing : Anti-yellowing material, also have non-yellowing grade.
  • Good abrasion resistance : Very low abrasion.
  • High flexing endurance : The number of bending resistance of the finished product is higher than industry standard.
  • Low compression set : Compressed reply is higher than traditional EVA material.
  • Eco-friendly material : All raw materials and processes are environment-friendly.

ETPU Foam Particles

  • Expanded beads can be provided with different size according to the requirements.
  • Molded hardness can meet different specification according to each requirement. 
  • Stable product quality and mass production Colors TPU foam beads available.

What is the E-TPU foam beads

TPU material
TPU material
Foaming and expanding
ETPU foam particles
ETPU foam particles
Steam molding
The middle sole
The middle sole
SEM
Microsocopic cross section
Microsocopic cross section

COMPARISON:

PropertiesTPU FoamEPPEPSEPEEVAFoam PU
Density (g/cm3) 0.15-0.25 0.02-0.06 0.01-0.03 0.03-0.06 0.2-0.7 0.02-0.4
Foam structure closed cell closed cell closed cell closed cell closed cell cell
Flexibility Excellent fair fair fair fair fair
Re-bound Excellent good poor fair fair fair
Low temperature resistance Excellent good good fair good fair
Izod Impact good Excellent poor Excellent fair good
Chemical resistance Excellent Excellent poor good good fair
Mechanical properties Excellent Excellent poor good fair poor
Weatherability Excellent Excellent poor fair fair fair
Abrasion resistance Excellent good poor good poor fair
Environmental friendly Excellent Excellent poor Excellent fair poor
Rating 5 5 3 4 2 2

Application

ISOTHANE ETPU - Colorful foam beads with high elasticity
Suitable for footwear materials, Buffer device for sports, Bicycle saddles , Running tracks, Airless tires.

Bicycle Seats

  • Elaston foam provides unrivalled comfort and support on longer runs.
  • Patented body geometry design to assure blood flow to sensitive arteries.
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Footwear Materials

  • Compared with traditional shoe materials, ETPU is an environment-friendly material with light density and high elasticity, good abrasion resistance, and high flexing endurance.
  • ISOTHANE ETPU material is suitable for the use on the soles and insoles of sports shoes because the it can absorb the impact of the ground on the soles of the feet and effectively protect our knees and heels, making each step light and elastic.
  • ETPU foam material developed by Greco Resin is available in various sizes and sizes could meet the needs of various complex designs. It is the latest environment-friendly choice for shoe materials.
  • proimages/products/p13-5_Footwear-00(500x250).jpg
  • proimages/products/p13-5_Footwear-02(250x250).jpgproimages/products/p13-5_Footwear-03(250x250).jpg
Product SpecificationsProduct FeatureBulk density(kg/m3)Pellet size(mm)
6310BM Made from ether type thermoplastic polyurethane (TPU) with excellent hydrolysis resistance, low compression set. 100±25 2~4/5~8
6315BM 150±25
6310EM Made from ether type thermoplastic polyurethane (TPU) with excellent hydrolysis resistance, low hardness , good elasticity (> 65%). 100±25 2~4/5~8
6315EM 150±25
6110BM Made from ester type thermoplastic polyurethane (TPU) with better material strength, low compression set and competitive price. 100±25 2~4/5~8
6115BM 150±25

* Note: These figures are for reference only. We're happy to customize products according to your specifications.

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