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Raw Material (yarn) related defects
Barriness: Horizontal Stripes or streaks of uniform or uneven width, visible in the fabric
Imperfections: Imperfections are the occurrence of knots, slubs, thick or thin yarns, and neps in the fabric
Contaminations: When foreign matter like dead or dyed fibres or husk, etc appear in the fabric
Snarling: Snarls are big twisted yarn loops on the fabric surface
Spirality: Spirality is when after washing garment gets twisted, and the seams of the garment get displaced from the sides of front and back of the garment
Knitting elements related defects
Needle and Sinker Lines: Prominent or feeble vertical lines across the fabric.
Drop Stitches (or holes): Appearance of small or big random holes in the fabric
Knitting machine settings related defects
Yarn streaks: Thin horizontal lines that appear at irregularly spaced intervals and are of various sizes
Fabric Press off: Appearance of holes in the fabric due to an interruption in a loop formation
Broken Ends: a bunch of ends knitted at a point
For more information: visit
www.stitchdiary.com
Image sources:http://www.slideshare.net/OliyadEbba/faults-remediespreventive-measures-in-knitted-fabric-dyeinghttp://www.slideshare.net/88azmir/fault-of-knitted-fabricshttp://www.slideshare.net/sheshir/an-investigation-on-the-inspection-of-grey-finished-knit-fabric-in-wet-processingehttp://textilecollection.blogspot.in/https://shosh101.files.wordpress.com/