Textile dyes and chemicals manufacturer Huntsman Textile Effects, a division of Huntsman Corporation, has launched Dicrylanâ Shade Deepener (SD) to help mills achieve deeper shades of black and navy.

The company claims that when light hits small particles such as the Dicrylanâ SD polymer backbone, it is scattered in all directions, resulting in a deeper shade as less light is reflected back. This effect is enhanced by light polarisation caused by the orientation of the polymer structure. The polymer units are oriented perpendicularly to one another and to the light source, which is said to result in a substantial reduction in transmitted light and a significantly deeper and darker shade.

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