Crock meter Used for the rubbing color fastness test of colored cotton, chemical fiber, blending textiles, leather and other Crock meterUsed for the rubbing color fastness test of colored cotton, chemical fiber, blending textiles, leather and other materials.Reciprocating travel 100mmRubbing finger pressure 60Times/minRubbing finger pressure 9NReciprocating times 10 times (automatic stop)Rubbing ...