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.
Table of Contents
Standard Operating Procedure
Title: SOP for Fabric Inspection Procedure
Reference: QA-FIP-0
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
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Purpose:
The main purpose of this inspection is to assure the quality of the received fabric and lace before sending it to the cutting section.
Scope:
- 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)
Inspected Length
Defect Classification
- 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.