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Polyurethane Line

Flexible foil

Extremultus flat belts from the polyurethane line have tension members made of highly elasticity polyurethane foil.

Flat belts with highly elastic polyurethane foil tension members are particularly flexible and stand apart for their excellent damping characteristics.


Polyurethane foil tension member

  1. Top Face
  2. Tension member
  3. Underside

Flat Belts

Tension member characteristics

PropertiesPolyurethane foil
Elongation at fitting *3.0% - 8.0%
Flexibility very high
Damping characteristicsvery good
Splice type Butt splice or Z-splice (without adhesive)


* Material based standard range. Depending on the application, different ranges could be recommended.

Top face materials available

Top face materialsPolyurethane foil
Top faceUnderside
Elastomer (G)xx
Polyurethane (U)xx (only black)
Fabric (T)x
Nonwoven polyester material (N)x
High Grip / Medium Grip (R)x

Further Information

  • 216 EN / DE / FR / ES / IT – Siegling Extremultus Flat belts Standard product range

    Standard product range
    Siegling Extremultus

  • 251 EN – Siegling Extremultus GripStar™ Flat belts that hold on tight

    Grip Star™
    Siegling Extremultus

  • 252 EN – Siegling Extremultus FlashStar™ A firm grip on static electricity

    Flash Star™
    Siegling Extremultus

  • 333 EN – Siegling Extremultus Compendium Flat Belts

    Compendium Flat belts
    Siegling Extremultus