4 point system knit fabric inspection formula is a standard method that is widely used in the Textile and Apparel Industries, and the garments industry.
Standard Operating Procedure
Title: SOP for Fabric Inspection Procedure
Custodian: Technical Corn • fiancé I Total Pa • e # 02
Effective Date: 02-01-2018 I
Revision: 02 Reviewed on 16-01-2021
Next revision Date: When Applicable
SOP for Fabric Inspection Procedure
- Trims and Accessories inspection procedure For Garments Industry
- Flow chart manufacturing process in the garments industry 2021
- Acceptable Quality Level use in the apparel garments industry 2021
The main purpose of this inspection is to assure the quality of the received fabric and lace before sending it to the cutting section.
- Collect packing list from the warehouse, and approved swatch from Merchandising department.
- Randomly select fabric rolls to order, article and color-wise, and lot/ batch-wise.
- Conduct fabric inspection with a 4 point system.
- Conduct inspection initial 10%. If fail we conduct another 20%, if another failure we conduct 100%. QC Manager and Merchandiser will make a decision. Fabric sample and inspection report to be sent with supplier for evidence.
4 Point System Penalty Points
|4 Point System Penalty Points|
|Length of Defect|
|0 to 3″ 1|
|3.1″ to 6″ 2|
|6.1″ to 9″ 3|
|9.1 ” to above 4|
4 point system knit fabric inspection formula
Total penalty points X 100 X 36 Square Formula. = Result (For Fabric Square Yards) Fabric Length (Inspected) X Fabric Width (Inch)
Total penalty points X 100
Linear Formula: ————————————— = Result (For Lace Linear Yards)
- Fabric shading – Side to side & Side to the center of fabric will be checked for shading. During the fabric inspection, any shading is noticeable, the fabric will be checking every 3 yards. If fabric shading found continuously, this will be informed to QC Manager and account merchandiser for decision.
- Fabric with contamination like dye spots, foreign yarn, dirty marks, etc. will be categorized depends on defect length.
- Holes are categorized for 4 points.
- All fabrics and lace must be inspected on the face side for defects.
- Selvage holes on both sides for more than 1/2″ will be considered as reject.