Value-added Services

Laboratory Testing Services

Uster Technologies offers a top-class textile testing service. Its dedicated laboratories in Switzerland and China carry out tests on cotton fibers and blends on different process steps – as well as analyzing staple and filament yarns of all raw materials.


The following fiber tests are offered:

Process control with USTER® AFIS PRO 2
Material state to test: Bale and processed fibers

  • Length
  • Fineness
  • Maturity
  • Trash and dust
  • Fiber neps and seed coat neps
  • Visible foreign matters

Cotton Classing and Fiber Selection with USTER® HVI 1000
Material state to test: Bale

  • Length
  • Fineness
  • Maturity
  • Trash and dust
  • Moisture
  • Micronaire
  • Strength and elongation
  • Reflection and yellowness
  • Maturity
  • Spinning consistency index


      The following staple yarn tests are offered:


      The following filament yarn tests are offered:


      Customers can send samples to the laboratories in Switzerland or China for testing and for expert guidance in interpreting the test results.

      Before sending a fibre or yarn sample for testing, please fill in the required samples information in the fiber/yarn samples template and place it with the goods. The templates are downloadable in the right-hand panel.

      More information on services offered: please see downloadable documents in the right-hand panel.
      Further questions: please contact either laboratory direct.