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Pebax® Elastomers Offer Outstanding Energy Return for Optimal Power Transmission

Hysteresis is defined as the energy lost during a cyclic mechanical stress of a material and is a function of the modulus and the loss factor, tan ∂.

The tailored molecular microstructure of Pebax® resins contributes to lower hysteresis and tan ∂ when compared to other commonly used thermoplastic elastomers. The combination of this property (over a wide temperature range) as well as tremendous toughness, light weight and ease of processability make Pebax® resins powerful candidates for highly efficient power transmission belts.

Monolithic conveyor belts Pebax® Elastomer

 Monolithic conveyor belts are made from a single material and are often used in manufacturing industries such as textile, food (meat, fruits, vegetables), wood, and more. A single large continuous piece of Pebax® material can be used for a high-performance mono-material conveyor belt. Pebax® elastomers cover a wide range of hardness and show high reliability in terms of energy loss, temperature resistance, wear and tear resistance and anti-static properties. 

Power transmission belts with Pebax® Elastomer

A synchronous belt or timing belt, is a type of power transmission belt that is used to transfer rotational motion between two or more shafts in machinery and mechanical systems. Power transmission belts have usually a composite structure in which Pebax® Elastomers are the intermediate layer highly compatible with the fabric and the rubber layers. Pebax® Elastomers are the material of choice for multi-material power transmission belts thanks to their excellent processability, weldability, lightness (adapted for high speed) and low noise and vibrations. 

Flexural modulus (MPa) vs. Temperature


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Energy Loss Factor (ELF)

 

 


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Pebax® Elastomers in Power Transmission Belts

 
Pebax® Elastomers Main Properties Applications Pebax® Solutions
Low hysteresis Low energy dissipated and heat build-up
High level of power transmitted
Belting Pebax® 33 series: 25 to 55 ShD grades
Excellent flex fatigue and resistance Low relaxation Belting Pebax® 33 series: 40 to 70 ShD grades
Creep resistance Pebax® 33 series: 25 to 55 ShD grades
Low vibration and noise
Low density
Belting Pebax® 33 series
Ease of processing Easy and strong splicing Belting Pebax® 33 series
Chemical resistance Belting Pebax® 33 series: 40 to 70 ShD grades

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