Fabric material identification methods- clothing labels, fabric hang tags.
Fabric material identification methods:
1. Hand feel and by vision method, chemical dissolution method , microscope observation method , medicines coloring method, combustion method. The specific identification methods will specifically describe in the textile material data.
2.The difference between the warp and weft of fabric
- If identified fabric has selvage, yarn direction parallel to the selvage edge of the fabric is warp,the other is weft.
- High density side of general fabric is warp, low density is weft.
- If fabric have significant reed marks, reed marks direction is warp.
- For semi-thread woven fabric , usually folded yarns direction is warp , the direction of single yarns is weft.
- If single yarn is not knitted fabric twist pumping at the same time, Z twist direction is warp, and S twist direction is weft.
- If the knitted products, warp and weft tex, twist degree are insignificant, the yarn evenness and lustrous is warp.
- For towels like knitted products, the terry yarn direction is warp, the other is weft.
- If the yarn twist degree is not the same in the fabric, the twist degree to be big probably is warp , and the other is weft.
3.The difference between outside and inside of the fabric.
- The general pattern and luster of the fabric outside are clear and beautiful than the inside.
- For convex and concave convex fabric , outside is close and delicate, with a stripe or pattern embossed ; while the opposite is rough, have longe threads.
- Double and multi-layers fabrics weft density is not same , generally they have high density and good quality on their front.
- Leno : clear lines , twisted highlighting side is the positive side.
- Towel fabric :terry density high side is positive .
- Printed fabric : flower clear, bright luster side is the positive side .
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