AATCC Electronic Crockmeter mainly consists of the control system and friction system, fix sample by sample holder on the end of the base sticking a sandpaper, put abrasion head with a white cotton cloth on the sample. After rubbing the fixed number of times, observe sample and evaluate the coloring degree of white cotton cloth comparing with gray card, make judgments to the stain of the fabric sample or the stability of surface coating provide reference data for the assessment and selection of materials.
