Colourfastness context

Testing colour fastness in denim: wet and dry crocking (AATCC 8), wash fastness (AATCC 61), light fastness, and commercial acceptable rating scales.

Technical Reference: Colourfastness context

Subject Overview: Colourfastness is not one single property. Relevant tests depend on the intended use and buyer protocol, and results should be tied to the method and tested article.

Author & Reviewer
Gaurav Jain, Founder & Denim Sourcing Director at AzAttire
Industry Context
Commercial Denim Manufacturing, Quality Testing & Global Sourcing
Governing Test Standards
ASTM, AATCC, and ISO international textile evaluation standards
Associated Entity
Colour Fastness (https://en.wikipedia.org/wiki/Colour_fastness)
Practical Mill Sourcing Impact
Ensures dimensional stability, shade continuity, batch-to-batch repeatability, and garment wash house performance.