Test Crocking Cloth

Crocking cloth, also known as crocking test cloth or crock cloth, is a specialized fabric used in the textile industry for conducting crocking tests. Crocking is a test that measures the colorfastness of textiles, particularly how much color transfers or “crock” onto another surface when rubbed.

The crocking test is essential for determining the potential for color transfer from dyed or printed fabrics to other materials or surfaces, such as other fabrics, skin, or upholstery. This test is particularly important for textiles used in apparel, home furnishings, and other applications where color bleeding or transfer could be an issue.

To perform a crocking test, the crocking cloth is rubbed against the surface of the textile being tested, either by a machine or manually using a specified amount of pressure and strokes. The cloth’s colorfastness is then assessed by comparing the amount of color transfer to a standard color scale, usually from 1 (severe staining) to 5 (no staining).

The crocking cloth itself is typically made from 100% cotton fabric and is designed to have a standardized level of abrasiveness to ensure consistent and repeatable test results. It is available in different sizes and formats, depending on the specific testing requirements.

By conducting crocking tests with crocking cloth, textile manufacturers and quality control professionals can identify potential colorfastness issues and take necessary measures to improve the colorfastness of their products, ensuring that finished textiles meet industry standards and customer expectations for color durability.