Accurate and Reliable Grading for Colorfastness Testing

Introducing the Grey Scale by James Heal, your ultimate tool for accurate and reliable grading in colorfastness testing. This standardized scale ensures consistent and precise evaluations of colorfastness properties, helping you achieve reliable and repeatable results.

Your Standard for Consistent Results

With the Grey Scale by James Heal, you have a trusted standard for achieving consistent results in colorfastness assessments. This precise scale enables you to grade color changes and fading levels with confidence, making it an essential instrument in your textile testing arsenal.

Crafted for Precision

James Heal’s Grey Scale is meticulously crafted for precision, using industry-leading techniques and materials. Its carefully calibrated shades facilitate easy and accurate comparisons, aiding you in identifying colorfastness variations with unmatched clarity.

Wide Range of Applications

The versatility of the Grey Scale makes it suitable for a wide range of colorfastness tests. Whether you’re evaluating colorfastness to light, washing, or perspiration, this scale ensures that your textile products meet the required quality standards.

Trusted by Textile Professionals

Textile professionals worldwide trust the Grey Scale by James Heal for its reliability and consistency. As an essential reference in colorfastness testing, this scale has earned its reputation for delivering dependable and trustworthy results.

Grey Scale is a standard test method used in the textile industry to visually assess the color fastness of textiles. One popular version of the Grey Scale is the James Heal Grey Scale, which is widely used and recognized for evaluating colorfastness to washing, light, and other environmental conditions.

The James Heal Grey Scale consists of a series of nine dyed fabric patches, arranged in a specific order from light to dark shades of grey. Each patch represents a different level of colorfastness, with the first patch being the lightest shade and the last patch being the darkest.

The test involves exposing the textile sample or fabric to a particular stress, such as washing, light exposure, or rubbing, and then comparing its color change with the standard Grey Scale patches. The observer visually assesses the sample and identifies the closest match between the color change of the tested fabric and the patches on the Grey Scale.

The color change observed on the textile sample is graded based on the corresponding Grey Scale patch number. For example, if the color change of the textile matches the fourth patch on the Grey Scale, it indicates a colorfastness level of 4. The colorfastness ratings obtained from this test help textile manufacturers and consumers understand how well the fabric can withstand various environmental stresses without significant color fading or change.

The James Heal Grey Scale is widely used in textile testing laboratories, quality control departments of textile manufacturers, and in the evaluation of fabric performance by retailers and consumers. It provides a simple and standardized method to communicate colorfastness results and ensure that textiles meet the required industry standards and customer expectations.