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Référentiel des défauts Critiques, Majeurs et Mineurs dans 24 secteurs industriels.
Code d'échantillonnage ISO 2859-1 & ANSI/ASQ Z1.4 et limites d'acceptation Ac/Re.
Déterminez statistiquement les tailles d'échantillons certifiées, lettres de code et seuils maximaux de défauts critiques, majeurs et mineurs acceptables.
Saisissez votre produit ci-dessous. Notre modèle d'ingénierie qualité établira un protocole d'inspection opposable avec tests de contrainte et tolérances personnalisées.
ISO 2859-1 (Plan d'Échantillonnage Simple Normal, Niveau Général II) :
| Lot Size | Code | Sample | Maj (2.5) | Min (4.0) |
|---|---|---|---|---|
| 91 - 150 | F | 20 | Ac:1 / Re:2 | Ac:2 / Re:3 |
| 151 - 280 | G | 32 | Ac:2 / Re:3 | Ac:3 / Re:4 |
| 281 - 500 | H | 50 | Ac:3 / Re:4 | Ac:5 / Re:6 |
| 501 - 1,200 | J | 80 | Ac:5 / Re:6 | Ac:7 / Re:8 |
| 1,201 - 3,200 | K | 125 | Ac:7 / Re:8 | Ac:10 / Re:11 |
| 3,201 - 10,000 | L | 200 | Ac:10 / Re:11 | Ac:14 / Re:15 |
| 10,001 - 35,000 | M | 315 | Ac:14 / Re:15 | Ac:21 / Re:22 |
| 35,001 - 150,000 | N | 500 | Ac:21 / Re:22 | Ac:21 / Re:22 |
Risque de sécurité, électrique, bavures coupantes ou étouffement. 1 seul défaut entraîne le rejet immédiat du lot.
Défauts compromettant le fonctionnement, l'assemblage ou la lisibilité des codes-barres en entrepôt FBA.
Micro-rayures superficielles ou légères nuances de teinte ne nuisant pas à l'utilisation.
Don't rely only on generic numbers. Enter your exact product below. Our AI engine correlates your order volume (3,000 units) with international standards (ASTM, FDA, LFGB, EN71, CE) to generate on-site stress tests, defect classification matrices, factory risk advisories, and generates a permanent, shareable QC protocol dossier.
Seuils d'échantillonnage précalculés pour les commandes e-commerce et conteneurs les plus usuels.
Matrice complète pour les niveaux I, II et III avec valeurs d'acceptation (Ac) et rejet (Re).
| Batch Size (Units) | Level I | Level II (Standard) | Level III | Sample Size (n) | AQL 1.5 (Ac / Re) | AQL 2.5 (Major) | AQL 4.0 (Minor) |
|---|---|---|---|---|---|---|---|
| 2 to 8 | A | A | B | 2 | Ac:0 / Re:1 | Ac:0 / Re:1 | Ac:0 / Re:1 |
| 9 to 15 | A | B | C | 3 | Ac:0 / Re:1 | Ac:0 / Re:1 | Ac:0 / Re:1 |
| 16 to 25 | B | C | D | 5 | Ac:0 / Re:1 | Ac:0 / Re:1 | Ac:0 / Re:1 |
| 26 to 50 | C | D | E | 8 | Ac:0 / Re:1 | Ac:0 / Re:1 | Ac:1 / Re:2 |
| 51 to 90 | C | E | F | 13 | Ac:0 / Re:1 | Ac:1 / Re:2 | Ac:1 / Re:2 |
| 91 to 150 | D | F | G | 20 | Ac:1 / Re:2 | Ac:1 / Re:2 | Ac:2 / Re:3 |
| 151 to 280 | E | G | H | 32 | Ac:1 / Re:2 | Ac:2 / Re:3 | Ac:3 / Re:4 |
| 281 to 500 | F | H | J | 50 | Ac:2 / Re:3 | Ac:3 / Re:4 | Ac:5 / Re:6 |
| 501 to 1,200 | G | J | K | 80 | Ac:3 / Re:4 | Ac:5 / Re:6 | Ac:7 / Re:8 |
| 1,201 to 3,200 | H | K | L | 125 | Ac:5 / Re:6 | Ac:7 / Re:8 | Ac:10 / Re:11 |
| 3,201 to 10,000 | J | L | M | 200 | Ac:7 / Re:8 | Ac:10 / Re:11 | Ac:14 / Re:15 |
| 10,001 to 35,000 | K | M | N | 315 | Ac:10 / Re:11 | Ac:14 / Re:15 | Ac:21 / Re:22 |
| 35,001 to 150,000 | L | N | P | 500 | Ac:14 / Re:15 | Ac:21 / Re:22 | Ac:21 / Re:22 |
| 150,001 to 500,000 | M | P | Q | 800 | Ac:21 / Re:22 | Ac:21 / Re:22 | Ac:21 / Re:22 |
| 500,001 & over | N | Q | R | 1,250 | Ac:21 / Re:22 | Ac:21 / Re:22 | Ac:21 / Re:22 |
Exemples concrets de classification de défauts appliqués par nos inspecteurs en usine.
Réponses indispensables pour maîtriser vos inspections et engager la responsabilité des usines.
AQL (Acceptance Quality Limit) is defined by ISO 2859-1 and ANSI/ASQ Z1.4 as the maximum percentage of defective units considered satisfactory as a process average. Instead of examining 100% of an order, certified quality inspectors pull a statistically valid random sample based on batch size to determine whether the entire shipment should be accepted or rejected.
AQL 2.5 is the standard threshold for Major defects adopted by global retailers and Amazon FBA sellers. For instance, in an order of 3,000 units inspected under General Level II (Sample Code Letter K, 125 units sampled), the batch passes if 7 or fewer major defects are found (Ac:7), and fails if 8 or more are detected (Re:8).
Critical defects (AQL 0.0) involve safety, fire, or regulatory hazards (e.g. sharp burrs, toxic chemicals, electrical leakage); even 1 critical unit results in instant batch rejection. Major defects (AQL 2.5) impair product functionality, structural integrity, or barcode scannability. Minor defects (AQL 4.0) represent cosmetic imperfections that do not diminish operational usability.
General Inspection Level II is the universal benchmark for over 90% of commercial consumer goods. Level I uses a reduced sample size (approx. 40% of Level II) recommended for trusted, long-term suppliers. Level III pulls a tightened sample (approx. 160% of Level II) suitable for high-value electronics, luxury merchandise, or factories with prior quality disputes.
If an inspection fails, the buyer holds the final wire balance payment (typically 70%). The factory manager signs the on-site inspection report, acknowledging the defect count. The supplier must unbox the inventory, conduct 100% sorting and rework, and schedule a re-inspection. Under standard procurement agreements, the supplier pays the re-inspection fee.
Under General Level II, 5,000 units fall into the 3,201 - 10,000 range (Sample Code Letter L). Exactly 200 units must be randomly pulled from master cartons. Limits are: 0 Critical, maximum 10 Major, and maximum 14 Minor defects allowed before batch rejection.