Training Manual — Section 41

Global Fabric Inspection & Performance System

The complete fabric framework — inspection SOPs, performance metrics, defect classification, testing alignment, fabric dashboards, and AI-supported fabric analysis.

System Overview

Purpose

Create a global, standardized fabric inspection and performance system that ensures accurate fabric inspection, correct defect identification, proper testing alignment, fabric performance consistency, buyer compliance, and AI-supported fabric analysis.

System Components

Fabric inspection SOPsFabric defect libraryFabric performance metricsFabric testing alignmentFabric dashboardsAI fabric assistantFabric documentation templates

Fabric Inspection SOP Library — Universal Structure

1Purpose

2Scope

3Tools required

4Sample preparation

5Inspection method

6Defect classification

7Acceptance criteria

8Buyer variations

9Common mistakes

10Preventive actions

11Documentation format

Fabric Inspection SOPs

4-Point System SOP

Inspect the full roll face at controlled speed and lighting
Assign 1–4 points by defect size; never exceed 4 points per linear yard or metre
Record defect type, location, length, width, and point value on a roll map
Calculate points per standardized area using actual inspected width and length
Apply buyer-specific acceptance, penalty, and rejection rules

Fabric Width SOP

Measure usable and full width without tension at defined intervals
Exclude unacceptable selvedge or edge damage from usable width
Compare minimum, maximum, and average with marker and buyer tolerance
Quarantine rolls that cannot support the approved marker width

GSM SOP

Condition fabric and sample across left, centre, and right positions
Use a calibrated cutter and balance without selecting visually favorable zones
Report individual, average, range, and deviation from target
Investigate width, overfeed, compaction, moisture, and finish where variation occurs

Shrinkage & Relaxation SOP

Test each lot and colour using the specified care cycle
Report length, width, growth, spirality, bow, and skew separately
Define relaxation time and storage conditions before spreading
Release shrinkage allowance to pattern and marker teams through controlled records

Shade & Colour Continuity SOP

Condition and compare roll cuttings in a calibrated light box
Build shade bands using head-centre-tail samples from every roll
Assess side-to-side, end-to-end, roll-to-roll, and lot-to-lot variation
Check metamerism under specified illuminants
Allocate shade groups to lays without mixing incompatible rolls

Fabric Appearance SOP

Inspect face and back for yarn, formation, dyeing, printing, and finishing defects
Check bow, skew, spirality, crease, distortion, contamination, and odor
Mark defects with removable edge identifiers without damaging fabric
Photograph and retain boundary samples for recurring or disputed defects

Fabric Hand & Stretch SOP

Compare hand, drape, surface, noise, and recovery with approved standard
Measure stretch and recovery in required directions under controlled load
Check elastane growth, power, bagging, and heat sensitivity
Escalate subjective differences through trained panel assessment

Roll Length & Ply Audit SOP

Verify gross, net, and usable roll length with calibrated equipment
Record joints, short pieces, splice quality, and unacceptable sections
Reconcile supplier ticket length with inspected usable yield
Communicate roll maps and usable length to spreading and planning

Cutting Release SOP

Confirm inspection, tests, shade group, shrinkage, width, GSM, and relaxation status
Issue roll allocation and ply direction by lay and colour
Block rejected or pending rolls physically and electronically
Authorize release only through documented quality disposition

Fabric Defect Library

Defect Categories

Woven defects
Knit defects
Color defects
Printing defects
Finishing defects

Examples

Slubs
Knots
Missing ends or picks
Floats
Reed marks
Holes
Needle lines
Dropped stitches
Barré
Oil contamination
Uneven dyeing
Creases
Misprint
Print misregistration
Selvedge damage
Skew
Bowing
Spirality
Width or GSM variation

Defect Classification

CriticalMajorMinor

Fabric Performance Metrics

Key Metrics

GSM stability

Shrinkage stability

Color fastness

Pilling resistance

Abrasion resistance

Tensile strength

Seam slippage

Stretch & recovery

Breathability

Waterproofness

Thermal insulation

Performance Categories

Basic fabricsSports fabricsOutdoor fabricsKnit fabricsWoven fabrics

Fabric Testing Alignment System

Testing Categories

Physical tests
Chemical tests
Color fastness tests
Performance tests
Eco tests

Alignment Flow

1Identify fabric type
2Identify buyer requirements
3Identify required tests
4Conduct tests
5Upload results
6AI validation
7Compliance score

Fabric Performance Dashboard

Dashboard Features

Fabric inspection score
Fabric defect heatmap
Fabric testing results
Performance metrics
Buyer compliance score
AI insights
Improvement roadmap

Dashboard Users

FactoriesBrandsBuyersFabric millsTesting labs

Fabric Documentation Templates

Fabric inspection report

Fabric defect report

Fabric testing report

Fabric performance summary

Buyer compliance report

Corrective action plan

Preventive action plan

AI Fabric Assistant

AI Capabilities

Validate fabric inspection

Validate defect classification

Validate testing results

Predict fabric performance issues

Suggest corrective actions

Suggest preventive actions

Generate fabric reports

AI Strength — fast, accurate, consistent fabric compliance.

Fabric Control System (Factory Integration)

Fabric Control Steps

1Fabric inspection
2Fabric testing
3Fabric performance evaluation
4Fabric approval
5Fabric risk identification
6Fabric corrective actions
7Fabric preventive actions

Outcome — factories achieve fabric stability and buyer compliance.

Fabric Risk Management

Risk Types

Shrinkage risk
GSM risk
Color risk
Pilling risk
Abrasion risk
Chemical risk

Risk Controls

Supplier lot segregation and traceability
Representative four-point inspection
Head-centre-tail shade band approval
Width, GSM, bow, skew, and spirality verification
Pre-production performance and chemical testing
Shrinkage-based pattern allowance
Defined fabric relaxation before spreading
Roll mapping and defect avoidance during marker planning
Controlled shade allocation by lay
Documented cutting release and blocked-stock control

Fabric Roadmap (2026–2036)

Phase 1

Fabric inspection SOP library

Phase 2

Fabric defect library

Phase 3

Fabric performance dashboard

Phase 4

AI fabric assistant

Phase 5

Predictive fabric performance engine

Stable fabric, compliant output

The fabric system connects to fabric knowledge, wash & shrinkage, and color fastness standards.

Fabric knowledge Wash & shrinkage

Advanced reference

Technical controls & troubleshooting

4-Point Inspection

Assign 1 point up to 3 in, 2 points over 3–6 in, 3 points over 6–9 in, and 4 points over 9 in
A single defect receives no more than four points; holes/openings are scored by size and rules
Points per 100 yd² = total points × 3600 ÷ inspected yards ÷ fabric width in inches
Inspect adequate roll length at controlled speed and lighting
Record defect type, position, points, width, shade, and usable length by roll
Apply buyer acceptance limit and defect-specific rejection rules

Fabric Risk Evaluation

Check face, direction, nap, repeat, bow, skew, and shade continuity
Measure usable width at multiple positions without selvedge
Verify GSM and construction across beginning, middle, end, and width
Create shade groups before spreading and never mix unapproved shade lots
Relax stretch and knit fabrics for validated time before cutting
Communicate defect maps and cuttable width to marker and spreading teams

Inspection Controls

Verify fabric inspection at incoming, first-output, inline, end-line, and final stages
Separate critical, major, and minor defects using the approved defect library
Use risk-based sampling; increase frequency after a failure or process change
Maintain shade, size, lot, roll, and bundle traceability throughout production
Quarantine nonconforming output until disposition and corrective action are approved
Confirm corrective action effectiveness on consecutive production checks

Troubleshooting

Contain affected roll output and identify the last verified-good checkpoint
Use 5 Why and fishbone analysis across material, machine, method, people, and environment
Compare failed output with the sealed sample, specification, and machine settings
Correct the root cause rather than relying on repeated inspection or repair
Run a controlled trial, validate results, then release the updated process setting
Update SOP, control plan, training record, and preventive-maintenance requirement