COLOR FASTNESS TO CROCKING (WET AND DRY RUBBING) PROBLEM ON GARMENT
Crocking occurs indigo dye transferring from garments to another surface due to contact or rubbing. To minimize crocking and to remove general denim stains.
“Crocking” is an industry term referring to a transfer of a colorant through rubbing. The crocking test determines the resistance of garments colors to rubbing off and staining other materials.
The methods of test crocking problem on garments
ISO 105 X12 and AATCC 8 are the primarily standards for measuring color fastness to crocking
The ISO 105 X12 and AATCC 8 test methods both use a machine known as a “crock meter” to rub the garments.
The rubbing direction can vary based on the type garments. But the crock meter rubs the fabric in the warp and weft directions separately.
The amount of water is calculated as “wet pick up”, or the amount of fluid by percent weight picked up by the fabric. ISO 105 X12 requires the wetter garments.
THE WAY OF TECHNIQUES TO REDUCE COLOR FASTNESS TO CROCKING PROBLEM (WET & DRY)
The garments treat from free ionic impurities.
Garments must be absorbency.
Select fixing agents for improving color fastness crocking for different dyeing.