Types and causes of dense defects in cotton gray fabrics

Types and causes of dense defects in cotton gray fabrics

Types and causes of dense defects in cotton gray fabrics
Dense defects (densedefects) are fabric defects that are densely distributed on the cloth surface. They mainly include:
Yarn skipping: 1-2 warp yarns skip more than 5 weft or warp yarns and float on the cloth surface in a linear shape;
Star jump: one warp or weft skips 2-4 other weft or warp yarns to form a star point shape;
Weft shrinkage: Weft yarn knots are woven into the fabric or loops appear on the cloth surface;
Knots (shuttle): The cloth surface shows dense knots (knots of shuttle);
Edge support defects: 1-2 warp and weft yarns on the edge of the fabric are broken, or the yarn body is bruised and fluffed, and it is easy to break;
Raw edge: The weft yarns are juxtaposed densely or dispersedly, and the outside of the cloth edge is exposed in a whisker shape;
Cotton ball: The warp and weft yarns are fluffy, and the fibers are thick and attached to the yarn;
Slub yarn: There are thick sections on the warp and weft yarns woven into the fabric; 52vGQH2

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