Cloth quality inspection standards composite fabric information

Cloth quality inspection standards, super practical! ! ! >>>>Defects in yarn source: ①The yarn material absorbs color better. Yellowish white yarn and raised (dark) horizontal phenomena are not accepted, and defects such as dead cotton/lint/yarn shells on the fabric body are not accepted. ② Red and blue spots; flying flowers; nylon grass; knots; thick spots, etc. should not exceed 15 times per knot. The length of the defect must not exceed 0.5cm. Removable defects must be removed. Exceeding this limit: For each defect that cannot be dealt with, one yard of full fabric volume will be deducted, and the corresponding yard weight will be deducted. >>>>Weaving defects: ① Obvious stitches, needle paths, and oil needles are not accepted; ② Missing stitches, flowery stitches, rotten needles, and broken yarns cannot exceed 2 yards/狋; ③ No more than 2 pieces of gray fabric are allowed to burst. /狋; ④Spandex elastic fabric (stretch fabric) does not accept defects such as tightness of the stretcher, uneven drop of the stretcher, misalignment of the stretcher, broken stretcher, etc., and cannot exceed 3 yards per size. ⑤ Defects such as center marks on the gray fabric, creases on the gray fabric, scratches on the gray fabric, wind marks on the gray fabric, etc. are not accepted; 6. Gray fabrics with severe fluff due to the yarn material are not accepted. >>>>Defects in printing and dyeing and related requirements: ①Dyeing flowers on the cloth body (including striped flowers/cloud-shaped flowers/segment-shaped flowers), yin and yang colors, large differences in dyeing, etc. are not accepted. ② Sectional or full-blown crease defects are not accepted, and creases cannot be painted with colored strokes. Obvious creases should not exceed 3 yards per round. ③ Defects such as soft oil stains, floating colors, lip prints, bamboo leaf prints, alkali spots, mildew spots, rust stains (spots), pigment stains (spots), etc. are not accepted on the fabric body. ④ Each piece of fabric should not have more than 2 cuts or seams; stains, oil spots and other removable defects must be removed before delivery. ⑤ The phenomenon of large (bad) lint on the cloth surface is not accepted. It is required that the cloth surface with corroded (eating) lint must be smooth and clean. When repairing cloth, you should consider lint treatment. ⑥ Grinding bristle cloth: It is not acceptable to have obvious bristle marks, broken yarn, or uneven velvet at the edges. The velvet degree must be sufficient to distinguish. ⑦ Do not use soft oil when dyeing printing cloth (or use soft oil specified for printing). Dyeing of cloth base for discharge printing must use specified pigments for discharge printing. ⑧ Missing printing (sand bottom) must be repaired before delivery. If the fabric body has yin and yang colors and the color difference is large, the corresponding yarn number must be indicated on the delivery note and a mark should be placed on the fabric so that the garment can be cut or positioned according to the corresponding mark. Defect inspection rating method: It can be based on the American AATCC international standard or the ten-point and four-point inspection methods. >>>>Specification finishing requirements: 1. Practical cloth seal “Practical cloth seal” refers to the effective width that can be actually cut after removing pulp edges, needle roar, rotten edges, etc. The error in the opening and shaping type is deemed to be qualified within (-1”~ +1.5”); (the plain weave fabric with stretch frame shall be subject to the test after being left for 12 hours). There is no error allowed in the inner sealing of the same fabric, otherwise the corresponding ratio will be required Free cloth replacement (except for special cloths such as wick cloth and pit cloth). 2. Unit gram weight (Gm/m2): The error of ordinary open edge shaping type is within ±4%; the plain weave/unit garment/pique texture is deemed to be qualified within ±5% after the finished product is delivered (test after being left for 12 hours) shall prevail). 3. Cloth texture: ① Double-sided weave, printed, striped, plaid and other surface fabrics with a weft bias of ≤3% are considered qualified (except double-sided weave with stitches). ②Single-sided tissue fabric, solid color fabric, and lining fabric with weft bias ≤ 4% are considered qualified. When the twist conflicts with the slope, try to reduce the slope as much as possible while ensuring the twist. ③Spacing error: the total spacing error of any 5 cycles is qualified within 3%, and the total spacing error of any 5 cycles between the same cloth is qualified within 2%. ④ Regardless of straight or twill grain, the grain must be straight, and wavy grain, seven-character grain, etc. are not acceptable. Blistering on the fabric surface after styling is not acceptable. 4. Cloth surface and feel: The dyeing cloth surface effect and hand feeling effect shall be based on the sample confirmed by both parties. If there are no special requirements for hand feel, the fabric body must be soft and smooth! >>>>Test requirements: 1. Shrinkage: subject to the national first-class product qualification standards. ①Shrinkage is tested by hanging to dry. ②The straight shrinkage of ordinary fabrics is within (-5%-±1.5%), and the horizontal shrinkage is within ((-5.5%-±1.5%)). ③The twist of the fabric after washing must be within ±4%. 2. Color fastness: subject to the national first-class product qualification standards. ① The color fastness to washing is above level 4 for light colors and above level 3.5 for dark colors. ② The light color is above level 4 and above level 3.5 for dark colors in dry rubbing fastness Above; wet rubbing color fastness is above level 4 for light colors, level 3 for dark colors, and above level 2.5 for sanding.
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