The crockmeters used for color precision testing, with the method of color change at the sample and staining of the accompanying fabric by fricting the textile materials to the other accompanying fabric. The samples are fricted to the dry, un-dyed and cotton accompanying fabric.
The staining ratio of the accompanying fabric is evaluated upon the staining gray scale. The automatic model has an electronical controller and an engine.
Manual models are also available.

STANDARDS : ISO 105 X12/D02 BS 1006 D02 AATCC 8/165, NEXT 6, M&S C8, BS 4655