AATCC Gray Scale For Color Change
$344.00 / Scale
The AATCC Gray Scale for Color Change is designed to visually evaluate the changes in color of textiles resulting from colorfastness tests.
The scale consists of nine pairs of gray chips, which illustrate color differences and provide a corresponding fastness rating from 1 to 5, with 5 indicating excellent color retention and 1 indicating poor retention.
The AATCC gray scale measures color change. One half of each color chip pair is the same color as the untested specimen before colorfastness testing. The second half of the color chip ranges from the starting color (no loss of color) to white (loss of all color). The amount of contrast between the tested fabric and untested fabric is related to one of the pairs of gray color chips on the gray scale for color change.
Description
A gray scale is used for visually evaluating changes in color of textiles resulting from colorfastness tests. There are two types of gray scale one for assessing color change and another for staining.
The Gray Scale is essential for textile product developers and manufacturers, as it helps determine the suitability of fabrics for specific applications based on their colorfastness.
The AATCC Gray Scale for Color Change is a tool used to measure how much a fabric’s color changes due to external factors like washing and exposure to light. The colors of AATCC Gray Scale color chips are the same as those specified in ISO 105-A02.
The result of a colorfastness test is evaluated by visually comparing the difference in color between the original (un-tested) and the tested specimens with the differences represented by the gray scale for color change. The color change grade is equal to that of the gray scale pair that is judged to have the same color difference. Results are reported as a gray scale for color change grade of 5 to I, with 5 representing no color change and 1 representing the most color change. This tool helps manufacturers determine whether a fabric will maintain its color over time under various conditions.
| Product Name | AATCC Gray Scale For Color Change |
| Product Number | 306001 |
| Test Methods | AATCC EP 11, AATCC TM 015, AATCC TM 023, AATCC TM 061, AATCC EP 01, AATCC TM 006, AATCC TM 016.1, AATCC TM 016.2, AATCC TM 016.3, AATCC TM 086, AATCC TM 101, AATCC TM 104, AATCC TM 106, AATCC TM 107, AATCC TM 109, AATCC TM 117, AATCC TM 119, AATCC TM 120, AATCC TM 121, AATCC TM 122, AATCC TM 125, AATCC TM 129, AATCC TM 131, AATCC TM 132, AATCC TM 133, AATCC TM 140, AATCC TM 159, AATCC TM 161, AATCC TM 162, AATCC TM 163, AATCC TM 164, AATCC TM 188, AATCC TM 190, AATCC TM 196 |
| Testing Standards | AATCC 1. TM (TEST METHODS), AATCC 2. EP (EVALUATION PROCEDURES) |
| MOQ | 1 Kit |
| Approx Weight of each scale | 88g |
| Construction | Paper / Printed scale |
| What is it used for? | Visual Evaluation of color staining according to AATCC EP 1-Evaluation Procedure for Gray Scale for Color Change , ISO 105-A02 Textiles: Tests for colour fastness |
| AATCC Test Methods that require the scale |
TM 6 Test Method for Colorfastness to Acids and Alkalis
TM 15 Colorfastness to Perspiration TM 16 Test Method for Colorfastness to Light: Outdoor TM 16.2 Test Method for Colorfastness to Light: Carbon Arc TM 16.3 Test Method for Colorfastness to Light: Xenon-Arc TM 23 Test Method for Colorfastness to Burnt Gas Fumes TM 61 Colorfastness to Laundering: Accelerated TM 86 Test Method for Dry Cleaning: Durability of Appplied Designs and Finishes TM 104 Test Method for Colorfastness to Water Spotting TM 106 Colorfastness to Water: Sea TM 107 Colorfastness to Water TM 109 Test Method for Colorfastness to Ozone in the Atmosphere under low humidities TM 111 Test Method for Water Resistance of Textiles: Exposure to Daylight and Weather TM 117 Colorfastness to Dry Heat (Excluding Pressing) TM 119 Test Method for Colorfastness to Flat Abrasion (Frosting): Screen Wire TM 120 Test Method for Colorfastness to Flat Abrasion (Frosting): Emery TM 121 Test Method for Carpet Soiling: Visual Rating TM 125 Test Method for Colorfastness to Perspiration and Light TM 129 Test Method for Colorfastness to Ozone in the Atmosphere under High Humidities TM 131 Test Metod for Colorfastness to Steam Pleating TM 132 Colorfastness to Dry Cleaning TM 133 Colorfastness to Heat : Hot Pressing TM 140 Test Method for Dye and Pigment Migration in a Pad Dry Process TM 159 Test Method for Transfer of Acid and Premetalized Acid Dyes on Nylon TM 161 Test Method for Color Change of Disperse Dyes Caused by Metals, with and without Chelating Agent TM 162 Test Method for Colorfastness to Water: Chlorinated Pool TM 163 Colorfastness to Storage: Dye Transfer TM 164 Test Method for Colorfastness to Oxides of Nitrogen in the Atmosphere under High Humidities TM 165 Colorfastness to Crocking: Textile Floor Coverings-Crockmeter TM 169 Test Method for Weather Resistance of Textiles: Xenon Lamp Exposure TM 188 Test Method for Colorfastness to Sodium Hypochlorite Bleach in Home Laundering TM 192 Test Method for Weather Resistance of Textiles: Sunshine-Arc Lamp Exposure with and without Wetting TM 196 Test Method for Colorfastness to Sodium Hypochlorite of a Textile Floor Covering TM 210 Test Method for the Durability of Electrical Resistance of E-Textiles after Exposure to Use Conditions TM 215 Test Method for Soil Release: Household Soils AATCC LP 1 Laundry Procedure for Home Laundering with Bleach AATCC EP 1 Evaluation Procedure for Gray Scale for Color Change
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Primary Uses by Industry
| Industry Type | Specifications |
| QA Testing | Gray Scale for color change indicates the amount of fading or color alteration with environmental exposure or washing,Prepare the Test: Place an original untested specimen and its corresponding tested specimen side by side, touch, and in the same plane and oriented in the same direction. |
| Using the AATCC Gray Scale for Staining | Compare the perceived visual differences between the original and tested specimens with the differences represented by the grey scale pairs. The grade is that of the grey scale pair whose color difference corresponds most closely to the color difference between the original and tested specimen. |
| Evaluation using gray scale | Assign Rating: Under standardized lighting conditions, visually determine which gray chip most closely matches the degree of color change on the test specimen. Record the rating corresponding to the matching gray chip as the change in color grade for the tested sample. |
| Visual Assessment | Numerical step ratings range from:
5: No perceptible color change 4: Slight color change 3: Noticeable color change 2: Considerable color change 1: Severe color change |
| Proper Handling | Use gloves to prevent contamination of the gray scale chips. With regular use of the AATCC Gray Scales, it is important to handle the product with care to extend the shelf life of the product. Extensive use of AATCC Gray Scales causes the gray scales to get scuffed, scratched, and stained.
Store the gray scale in its protective sleeve when not in use. Replace the gray scale annually to maintain accuracy. Ensure trained personnel perform the visual assessment and under consistent lighting to reduce subjectivity. |
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