Crock meter–manual

by Chloe Leung Testing Machine

Crock metermanual is used for the determination of color fastness against rubbing, either under dry or under wet conditions.

Recommended Features

Diameter of the Finger 16 mm for Textiles / 25 mm for floor covering
Load on the finger 900 g
Length of travel of the finger 100 + 3 mm
Size of the test specimen 200 x 50 mm

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Crock meter manual
Product Information
One of the testing for determination of color fastness of dyed or printed textiles or leather is the crocking test. This test is used for the determination of color fastness against rubbing, either under dry or under wet conditions. In this test and moving brass finger of specified shape and size rubs against the test specimens under test and the amount of color transferred to a piece of abradant fabric fixed over the base of the moving finger are graded with the help of standard grey scales to evaluate the color fastness against rubbing.
TECHNICAL
Diameter of the Finger 16 mm for Textiles / 25 mm for floor covering.
Load on the finger 900 g
Length of travel of the finger 100 + 3 mm
Size of the test specimen 200 x 50 mm
Testing Standards
IS 766 - 1988 Method of Determination of color fastness of textile materials to rubbing.
AATCC Method 8 1969 Color Fastness to Crocking (Rubbing)
ISO RIOS (X12) 1984 Textiles - Test for color fastness part. Part X12 - Color Fastness to rubbing.
IS 6191 - 1971 Methods of Micro-Biological color fastness and Microscopically tests for leather.

Related to Crock meter–manual

How the manual crockmeter work?

A short film demonstrating how to do the rubbing test of colour fastness by manual crockmeter.

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Manual and Electronic Crockmeters - J.A. King

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