wool fibers

Bremen Cotton Conference

Discussion about the future of the cotton industry is what is needed to work on a sustainable and responsible cotton fiber production. The Bremen Cotton Conference offers a great platform. Our contribution to the discussion is – nobody would have guessed- the analysis of the thickness and length distribution of cotton fibers. The statistical reports about the fiber thickness distribution provide information to classify the fibers. The fiber geometry has an influence on the spinning ability and the application of the fibers.

For the thickness analysis of cotton fibers the measurement system FibreShape D is recommended (scanner resolution: 5000dpi). The sample preparation is done with dry fibers. The range of the fiber thickness for the D scanner span from 10 – 100μm. FibreShape was calibrated with the IWTO standard.

Knowing the thickness of cotton fibers

  • gives you information about the spinnability of cotton fibers
  • influences the choice of processing technology
  • allows classification of fibers

The length measurement of wool fibers is a common need. We want to cover this need with the FibreScanner. In 2020 two prototypes have been finalized together with FIBRE (Fibre institute Bremen), STFI Chemnitz and ATB Potsdam. The FibreScanner allows the analysis of the fiber length distribution of natural fibers with a length of 2 to 40 cm. Knowing the fiber length distribution allows a statistic-based classification and control of cotton fibers.


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