AQL 2.5 Explained: What It Means for Your Order
AQL (Acceptable Quality Limit) 2.5 is a statistical sampling standard used in apparel QC — inspectors check a representative sample of your order (not every single piece) and the batch passes if defects fall within an accepted rate for that sample size.
What AQL Actually Measures
AQL doesn't mean zero defects — it means defects stay below a statistically defined threshold based on inspecting a sample of the batch, not the full order. AQL 2.5 is a widely used standard in apparel manufacturing, generally considered a reasonably strict tier for garments (stricter standards like AQL 1.5 exist for higher-scrutiny goods).
How Sample Size Works
Inspectors use standardized sampling tables (typically based on ANSI/ASQ Z1.4 or ISO 2859-1) that set how many units to check based on your total order size — larger orders sample more units, but not the entire batch. [需人工核实] Confirm ClothReady's specific sampling table reference and inspection checkpoints (fabric, in-line, final) with our team for your order.
Major vs. Minor Defects
AQL inspections typically separate defects into categories (e.g. critical, major, minor), each with its own acceptance threshold — a critical defect (like a safety issue) has a much stricter allowance than a minor cosmetic flaw. [需人工核实] Confirm the specific defect classification system used on your order.
Why This Matters When Choosing a Manufacturer
Any factory can say "we do quality control." Asking specifically whether they use AQL 2.5 (or another named standard) and at what production stage gives you something concrete to verify — see our How to Choose a Manufacturer guide.
What a Full Inspection Plan Should Cover
An apparel inspection plan should be defined before goods ship, not improvised after: the approved sample as reference, purchase-order specifications, a measurement chart with tolerances, fabric and color confirmation, artwork placement and decoration quality, stitching and construction, labeling and packaging, carton marks and quantity, appearance defects, and the final random inspection rules — including how critical, major, and minor defects are defined.
Evidence to Request Before Shipment
- Measurement report - Final inspection report - Defect photos, if applicable - Packing and carton photos - Quantity confirmation - Third-party inspection report, if one was used - Shipment-ready product photos Asking for these specifically — rather than accepting "quality checked" as an answer — gives you something concrete to verify before goods leave the factory.
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