Module
Colourfastness Evaluation
Colourfastness performance evaluated against buyer requirements using recognised AATCC / ISO methods.
Module details
ProfessionalStage: Fabric approval
Outcome: Colourfastness performance evaluated against buyer requirements using recognised AATCC / ISO methods.
Roles
- Fabric QA
- Dye House Lead
Workflow
- 1.Identify required fastness properties per end-use
- 2.Select test methods from buyer-approved list
- 3.Execute tests and grade against standard scales
- 4.Record disposition and root cause if failing
Evidence
Common failures
- Grading performed under non-standard lighting
- Wrong multi-fibre adjacent used
Escalation
Repeat failures on the same dye lot trigger supplier corrective action within 5 working days.
KPIs
- Colourfastness pass rate
- Grey-scale grading variance
Official sources
- AATCC Test Methods (current editions)
Directory of current AATCC test methods for textile performance including colourfastness, dimensional change and appearance.
American Association of Textile Chemists and Colorists · Authority: AATCC
- ISO/IEC 17025 — Testing and calibration laboratories (ISO/IEC 17025:2017)
General requirements for the competence, impartiality and consistent operation of testing and calibration laboratories.
International Organization for Standardization / IEC · Authority: ISO
Related on Sanjeewa.life
Learning
Technology
- Colour Management