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Knitwear Product Inspection:

How to inspect Sweaters, T-shirts, Jeans, Jackets, Pajamas, Jerseys, Pants, Shorts, Wetsuits, Hotsuits, Knitwear Socks, Stockings, and pantyhoses etc.?

1. there are different inspection types for different production stages:

2. The on-site checking procedures for soft-line product inspections are as follows:

  • Color differences and shifting
  • Stitches
  • Measurements & size checks
  • Rub tests, wash tests, seam tests etc.
  • Fabric defects checking
  • Stains, moulds, odor and insects
  • Foreign objects like broken pins, human hairs etc.
  • Packaging, logos, labels and markings etc.
  • Order specs
  • Thread ends
  • Special requirements & on-site testing
knitwear Product Inspection

As an example, the quality inspection protocols would normally like this:

ONSITE INSPECTION LIST COMMENTS RESULT
Needle Damage check
- Pull the seams by hand in toughly force and check if there is any needle holes caused by the needle machine
- perform this test on all the seams -double check and take a pictures especially for” waistband, leg hem, pocket seam, front and back rise...”
-If the needle damage holes were found, then the sample size increase to S4 record how many pcs with needle damage were found from the sample size S3		 PASSED
Folded dimension of the garment PASSED
How many stitches per inch PASSED
Rub test/color fastness test for fabric: use white cotton cloth to rub the fabric. 10 time on a 10cm distance with a Normal force 1 piece per color to be checked with both dry and, wet fabric.-No color transfer greater than 4 on a grey scale (between the original white cloth and the colored one) for dry test No color FAILED
Color shading check: 1. Takes 100% of the inspected pcs place it side by side as described on the attached picture and identify the different dye lots. 2. check for shading within the same garment “sleeves, front-back, up-bottom, collar, legs” -If different dye lot found rate the shading with grey scale (minimum 4/5 acceptable)-II PASSED
symmetric check - check if the right/left leg, sleeves, pocket design are symmetric - check if the garment twist and measure the difference if found- PASSED
Zipper test - pull through the rivets/zipper/ Velcro and snap it should be resistant-The zip should lock when it closed - The zip should not open

from the middle - the stress should be focus on the bartack-20 pcs		 PASSED
Seaming strength test by hand in normal force N/A
Check how the garments are folded and show finished folded dimensions of the garment--Check once only PASSED
Rub test for marking or printing: check the marking by rubbing lightly for 15s with fabric soaked with petroleum spirit, or 95% alcohol. N/A
Check the Care label content and symbols-1pc for each size each reference,the content match with the client’s requirement and fabric composition. PASSED
check the smell of product/filling is bad smell? N/A

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