In the garment industry, whether you are a manufacturer, importer, or brand, you must understand the importance of quality control in this business. This industry shifts swiftly, and any time lost in shipment or defect fixings can lead to unimaginable losses. Moreover, quality issues can quickly disseminate in the digital age, giving competitors an advantage. Therefore, quality control is essential, and quality inspection is the most commonly used method. In this post, we will guide you through the steps of a garment quality inspection, the key checkpoints to focus on, and how can C&Z expertise support your garment quality control.
I. Basic Information
Product Name: Cardigan Sweaters
Inspection Standards: AATCC, ASTM, ISO 9001, Client-Specific Specifications
Applicable Scenarios: Cross-Border E-Commerce (Amazon, SHEIN), Independent Websites, Brand Retail Stores Inspection Timeline: 48 Hours (Expedited Service: 24 Hours)
II. Core Inspection Items (10 Critical Quality Control Points)
1. Raw Material Verification
Fiber Composition: Verify label claims (e.g., 60% Cotton + 40% Polyester) with ≤3% tolerance.
Colorfastness: Grade ≥4 in wet/dry rubbing tests (AATCC 8) to prevent fading/bleeding.
Pilling Resistance: ≥3,000 cycles in Martindale abrasion test (GB/T 4802.1), no visible pilling.
2. Craftsmanship Defects
Seam Strength: ≥150N tensile force at critical joints (armholes, shoulders) per ASTM D5034.
Buttons/Zippers: Button pull force ≥70N; zippers tested for 20 smooth open/close cycles (YKK standards).
Pattern Alignment: Print/knit patterns misalignment ≤2mm at seams.
3. Dimensional Tolerance
Key Measurements (Unit: cm):
Chest Width: Nominal ±1.5
Garment Length: Nominal ±1.2
Sleeve Length: Left-right discrepancy ≤0.8
Symmetry: Pocket position deviation ≤3mm.
4. Safety & Compliance
Chemical Safety: Formaldehyde ≤75ppm (GB 18401-2010) via third-party lab tests.
Metal Contaminants: Metal detectors scan for broken needles/foreign objects (CPSC, EN 12472).
Child Safety: For kids’ wear, drawstrings ≤7.5cm (CPSIA 15 U.S.C. § 1278a).
5. Packaging & Labeling
Hangtags: Care symbols, fiber content, and origin must match the product (multilingual accuracy).
Folding Standards: Collar symmetry, no creases, undamaged polybags.
Barcode Scan: 100% scannable UPC/EAN codes matching platform SKUs.
III. Tiered Inspection Services (Customizable)
Service Tier Sampling Rate Report Depth Client Type
Basic AQL 2.5 Defect statistics + 3 photos SMEs, Wholesalers
Professional AQL 1.5 Full data + corrective video Brands, ODM Manufacturers
Premium 100% Inspection Compliance certs + competitor analysis Luxury/Sustainable Brands
IV. SEO & Content Strategy Integration
Keyword Optimization:
Primary Terms: Third-party garment inspection, cardigan sweater QC, cross-border production auditing Long-Tail Keywords: Cardigan factory audit report, sweater pilling test standards, AATCC-certified labs V. Sample Inspection Report (SEO-Friendly Excerpt)
Test Item: Cuff Rib Elasticity
Method: Stretch to 150% original length, hold 1 minute; rebound rate ≥90%.
Pass Rate: 98.4% (Batch CZ-20250227-SW)
Recommendation: Adjust elastic yarn ratio to 18-22% to prevent post-wash loosening.
Contact C&Z Now: Visit www.cz-quality.online for customized solutions. Use code CZ25 for 10% off your first order!