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Polyester line

Fabric or truly endless cord

Extremultus flat belts from the polyester line are available to suit applications with two different types of tension members.

Flat belts with polyester fabric tension members can transmit high levels of pull at little elongation and are not sensitive to fluctuations in ambient conditions. They are also very good value.

Polyester fabric tension member:

  1. Top face
  2. Tension member
  3. Underside

Drive Belts

Flat belts with truly endless polyester cord tension members can transmit high levels of pull, require only very short take-up ranges, can transmit high levels of specific effective pull at low elongation and are impact resilient.

Because they are very flexible and track very steadily and evenly, they are an excellent choice where high levels of power transmission and multiple rotations are required.

Polyester cord tension member:

  1. Top face
  2. Tension member
  3. Underside

Flat Belts

Tension member characteristics:

Polyester fabricPolyester cord
Elongation at fitting *1.5% - 2.0%0.5% - 1.5%
Flexibilityhighhigh
Damping characteristicsgoodvery good
Splice typeZ-spliceno splice (truly endless)


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

Top face materials available:

Polyester fabricPolyester cord
Top faceUndersideTop faceUnderside
Chrome leather (L)xx
Elastomer (G)xxxx
Polyurethane (U)xxxx
Fabric (T)xxx
Polyamid (P)xx
Nonwoven polyester material (N)xx
High Grip / Medium Grip (R)xx

Further Information

  • 216 Extremultus Flat Belts Multi

    Standard product range
    Siegling Extremultus

  • 251 Grip Star EN

    Grip Star™
    Siegling Extremultus

  • 252 Flash Star EN

    Flash Star™
    Siegling Extremultus

  • 319 EN

    Splicing equipment
    Technical Information

  • 333_Extremultus-Compendium_09-2017_EN

    Compendium Flat belts
    Siegling Extremultus

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