Uster: Zero-tolerance quality for nonwovens p...

Zero-tolerance quality for nonwovens producers


The most critical medical and hygiene applications demand zero-tolerance of any contamination. Fragments larger than 1 mm can be found by the Uster Jossi fiber cleaning system.

This system of the provider of textile testing and quality control solutions, Uster Technologies AG, Uster/Switzerland, also ejects unwanted substances swiftly.
Operating in the preparatory stages before spunlacing, Uster Jossi Vision Shield reliably detects and eliminates the tiniest particles of contaminant.
Uster Jossi Vision Shield deploys the imaging spectroscope technology, identifying contamination in a fraction of a second, and just as quickly removing it from the mass of good fiber material. Detection works across a much greater wavelength than conventional camera systems, so that contamination as small as a single hair and in the lightest colors is pinpointed, even in IR and UV light ranges.
The process of detecting and removing contamination from bleached cotton and man-made fibers inevitably generates some waste. The system ensures a minimum of good fiber is lost by continuously measuring the velocity of the fiber tufts.
Nonwovens producers can use all this detection power to achieve the guaranteed levels of both comfort for contact with human skin, and appearance, as well as the required quality standards for medical uses.

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