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How many fibers break less when using the Guppyfriend washing bag?

As a part of a test program, the Fraunhofer Institute UMSICHT has confirmed that the Guppyfriend Washing Bag not only reliably retains microfibers, but also protects the textiles: Compared to washing without the Guppyfriend Washing Bag, 86% fewer fibers shed from synthetic textiles.

These are the applied washing conditions:

  • 40° C, 99 min, 800 rpm
  • Parallel washing cycles in two identical machines, at least 3 test repetitions for calculating the average of the value measured (mean).
  • Use of synthetic clothing duplicates
  • Filtration of the entire wash water via sieving cascade to 20 microns
  • Drying of the laundry and the screen residue in moderate conditions (30°C, circulating air, cover)
  • Before and after weighing of the textiles and sieve residue to determine the respective textile abrasion

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