Taber Crockmeter Rubbing Tester

For measuring the amount of colour transfer from rubbing. Easy to use, rugged design with an established rating scale that standardizes evaluation and facilitates repeatable results.

The Taber Crockmeter (Model 418) is a relatively simple rub tester commonly used to determine the amount of color transferred from textile materials to other surfaces by rubbing. It can also been utilized to conduct smudge or smear resistance tests on images produced by a printer or copier. For paints and coatings, the crockmeter is useful when evaluating the change in gloss due to rubbing,scuffing or marring.

A test sample is clamped to the instrument base and a square of standard crocking cloth is fixed to a 16mm diameter, acrylic rubbing finger. The finger rests on the sample with a pressure of 900 grams force and traverses a straight path approximately 100mm long with each stroke of the arm.

After testing textile materials, the crocking cloth is removed and compared against the AATCC Gray Scale for Staining or Chromatic Transference Scale. Based on this comparison, the operator assigns a grade to the color change or amount of color transfer.

Standard Features Crockmeter 418 Includes
Counter Base Unit
Acrylic Crock Finger and Spring Wire Clip Sandpaper Pads, 2 each
Hand Crank Assembly Crocking Cloths, 1000 package
9N Load (incorporated in test arm) Extra Spring Wire Clip
Detachable Specimen Cover Operating Instructions
Rugged Housing
Non-skid Rubber Feet

Consumables and Accessories

Part No Description
980418 Crockmeter
130811 Crocking Cloths 2″ x 2″ (pkg of 1000)
134567 Crocking Cloth Sheet 48″ wide x 36″ long
130818 Crock Finger 16mm diameter replacement
134519 Crock Block Kit (includes finger19 mm x 25.4 mm and crocking cloth sheet)
134579 Sandpaper Pad 9″ x 11″ sheet (10 each)
130819 Spring Wire Clip (replacement)
134538 Polishing Paper 281Q 3M WetordryTM 2 micron grade 9½ ” x 11″ sheets (3 each)
134497 Operating Instructions

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