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Quality & troubleshooting
Identify defects, compare test evidence and plan inspection checks.
New to this topic? Start here.
Start with inspection planning and how to read test results. For an existing problem, choose the guide that matches the fabric, seam, print or wash defect you can observe.
- 01
AQL 2.5 Explained: What Garment Buyers Should Specify →
AQL 2.5 is one input to a garment acceptance-sampling plan, not a promise that 2.5% defects are allowed. Learn what buyers need to agree before inspection.
- 02
How to Read a Textile Test Report: A Buyer Guide →
Read a textile test report by checking the stated sample, method edition, options, deviations, units, results, requirement source, decision rule and report status.
- 03
Colorfastness and Crocking Tests for Clothing Brands →
Colorfastness is not one pass-or-fail score. Learn which exposure to specify, how to read color change versus staining, and what to decide before bulk production.
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How Much Does Cotton Shrink? The Science, the Standards, and the Tolerance to Put in Your Tech Pack →
Cotton shrinkage is an engineered outcome: untreated cloth may lose around 10% on its first wash, while a properly preshrunk garment can remain within a few percent. This guide explains the mechanisms, standards, and tech-pack tolerances that make the result measurable.
Fabric Pilling in Clothing: Causes, Tests and Buyer Checks →
Pilling, fuzzing, matting, snagging and abrasion are not interchangeable defects. Learn how buyers should classify surface change, choose evidence, and write an approval criterion that a factory can execute.
Fabric Abrasion vs Tear Strength: Which Evidence Does a Brand Need? →
Abrasion and tear tests reproduce different failure modes. Learn how garment zones, method, endpoint, direction and specimen state determine which evidence a clothing brand can compare.
Jeans Leg Twist: Causes, Wash Evidence and Bulk Approval →
Jeans leg twist is a visible rotation, not a root-cause verdict. Learn how brands separate denim skew, pattern or cutting asymmetry, sewing displacement and wash response before bulk approval.
Why T-Shirt Side Seams Twist After Washing →
A twisted T-shirt side seam is a symptom, not a root-cause verdict. Separate garment spirality from fabric bow or skew, local assembly displacement and ordinary dimensional change with controlled before-and-after evidence.
Why Is the Print on Your Shirt Peeling? Reading the Failure Like a Factory →
That curling thing inside your collar is a heat-transfer label, and its failure is legible. What peeling, cracking and fading each reveal about how a print was applied — and what a factory does differently.
Print Durability: Dye Migration vs Poor Cure and Wash Evidence →
Separate substrate dye migration from poor cure, film damage and color change, then bind every decision to the actual ink system, garment lot and test evidence.
Embroidery Puckering: Causes and Approval Checks →
Diagnose embroidery puckering by visible signature, material, placement, digitizing revision, support, hooping and processing evidence before approving a corrected trial.
Seam Puckering Causes: A Brand QC Guide →
Seam puckering is a symptom, not a single machine fault. Use timing, seam location, ply behavior and wash evidence to distinguish structural, tension, feed and dimensional-change causes before bulk production.
Seam Slippage vs Thread Break vs Fabric Tear: A Garment Failure Guide →
An open garment seam can come from displaced fabric yarns, ruptured sewing thread or torn body fabric. Learn the visible signatures, evidence record and test questions that separate the three before corrective action.
Needle Damage in Garment Sewing: Holes, Cuts and Snags →
A hole beside a seam does not establish one diagnosis. Learn how cut yarns, heat damage, pulled loops and off-line marks differ, then use location, ply and wash evidence to validate a correction before bulk.
Snap and Rivet Pull-Out Failures: What Buyers Should Check →
A snap or rivet that pulls out is not one defect. Learn how to separate hardware failure, fabric tear, hole enlargement, backing problems and post-wash risk.
Dead Cotton White Specks in Fabric: A Buyer Investigation Guide →
Dead cotton white specks are an appearance to investigate, not a diagnosis from a photo. Build a traceable roll-and-lot record before holding, testing or releasing material.
Barré Defects in Knit Fabric: Bands, Lots and Evidence →
Barré is an appearance symptom, not a root-cause verdict. Learn how buyers should record bands, map rolls and lots, hold affected material and request evidence before disposition.
Elastane Breakage or Spandex Grin? A Buyer Evidence Guide →
Separate visible spandex grin-through from cut or broken elastic yarn, seam damage and recovery loss using location, material-state and controlled-extension evidence.
Knit Fabric Laddering and Runs: A Buyer Evidence Guide →
Separate a spreading dropped-loop run from seam needle damage, line marks and intentional distress, then map the affected roll, panel and garment scope.
Needle Lines and Feeder Marks in Knit Fabric: Buyer Evidence Guide →
Separate a wale-aligned line from a course-direction band, then map face, back, roll, lot and panel evidence before asking a mill for a controlled investigation.
Presser-Foot and Feed-Dog Marks in Garment Sewing →
A surface mark beside a seam does not prove one machine fault. Map the face, reverse, yarn condition, contact path and production stage before approving a corrected sewing trial.
Garment Panel Mismatch: How to Verify the Wrong Piece →
Verify a suspected garment panel mismatch against controlled piece identity, side, direction, pairing and the contract-effective pattern revision before disposition.
Panel-to-Panel Shade Variation in Garments: Evidence Before Diagnosis →
A panel shade difference is an observation, not a root-cause verdict. Build a traceable garment, component, face, orientation, roll, lot and wash-state map before deciding where the evidence belongs.
Garment Cutting Defects: A Cut-Panel Evidence Guide →
Learn how to record ragged or fused edges, ply-to-ply outline drift, missing notches and bundle discrepancies after cutting, then hold, segregate, recut or release a defined scope before sewing.
Fabric Spreading Defects Before Garment Cutting →
Inspect a completed fabric lay for ply count, alignment, folds, splices and direction records, then release, re-spread, segregate or hold before cutting.
Garment Pressing Defects: Shine, Imprints and Shape Loss →
Learn how to record shine, seam or component impressions, suspected heat discoloration, shape loss and double creases after garment pressing without guessing the cause from a photograph.
Garment Wash Defects: Causes, Evidence and Approval Questions →
A wash defect name is an observation, not a root-cause verdict. Learn how brands separate backstaining, uneven shade, abrasion, component damage and dimensional change with controlled evidence.