Mass Transfer Rate Drift in Heated Dye Pad Troughs under Variable Relative Humidity
Relative humidity drops accelerate solvent evaporation in heated pad troughs, concentrating liquor and causing head-to-tail shade drift in continuous dyeing.
ISO 105-C06
Fastness Testing
Standardized laboratory procedures that evaluate the color stability of printed or dyed textiles after repeated washes establish performance baselines. The testing standard iso 105-c06 simulates domestic laundering cycles through controlled wash trials using specific detergent formulas and steel balls. This method determines both color change in the test fabric and dye transfer to adjacent multifiber fabrics.
Wash Protocol
High temperatures and mechanical agitation are applied to accelerated test specimens in a closed rotating wash wheel. The iso 105-c06 procedure uses sodium perborate and reference detergents to replicate modern laundry environments. This setup allows researchers to predict multiple domestic wash cycles in a single laboratory run.
Specimen Assessment
Gray scales are used to rate both color fading and staining. Under the iso 105-c06 standard, a rating of five represents no change while one indicates severe color loss. These ratings provide the basis for performance claims.
Commercial Compliance
Retailers require minimum performance ratings before accepting bulk garments to prevent customer returns caused by color bleeding. Compliance with iso 105-c06 is checked during pre-shipment inspections of finished products. This standard is particularly important for multi-colored garments where light and dark fabrics are sewn together, as any dye migration would ruin the product and lead to financial penalties for the manufacturer.