Purpose of Test The colorfastness to crocking test method measures color transfer of a colored textile to other surfaces by rubbing. This test method is used for textiles made from various fibers and with various coloring types: Yarn Other Fabrics Dyed Printed Other Coloring Techniques Terminology Defined Colorfastness – Colorfastness is a fabric’s ability to… Continue reading AATCC 8 Colorfastness to Crocking: Crockmeter