Singeing:
Singeing is carried out on both yarns and fabrics. The material is exposed to a gas flame toburn off protruding fibres that cause non-uniform dye uptake. No chemical agents are
required except for a water bath that is used to quench any sparks (in integrated systems this
is often the desizing vat). The process has a low environmental impact; however dust and
volatile organic compounds (VOCs) are produced (UBA 2003).
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