Gray Scale for Color Change and Color Staining
Gray Scale for Color Change is suitable for visually evaluating changes in color of textiles resulting from colorfastness tests. And Gray Scale for Staining is suitable for visually evaluating staining of textiles resulting from colorfastness tests.
Gray Scale for Color Change and Color Staining
A gray scale graphic employs a combination of black and white to show the “value” of the colors. Gray scale is used to visually evaluate color changes in fabrics caused by colorfastness testing. Gray scale comes in two varieties: one for measuring color change and another for staining. The color change gray scale is made up of nine pairs of grey-colored chips ranging from 1 to 5. The staining scale is made up of nine pairs of grey and white chips with grades ranging from 1 to 5.
Application
Application of Gray Scale for Color
Gray Scale for Color Change is useful for visually examining color changes in fabrics caused by colorfastness testing. Gray Scale for stains is also useful for visually analyzing stains on textiles as a consequence of colorfastness testing.
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Standards
Standards of Gray Scale for Color Change
| STANDARDS | ISO 105-A02 | GB/T 250 | AATCC EP1 |
Standards of Gray Scale for Color Staining
| STANDARDS | ISO 105-A03 | GB/T 251 | AATCC EP2 |
Key specification
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