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Standard Materials SDC / AATCC Grey scale / ASTM Boards
- – Change in color and staining Grey scale for aiding in grading the color fastness tests against Rubbing, Washing, Hot pressing, Sun light and perspiration.
– ASTM Yarn grading standard boards
- Change in color and Staining Grey scale to meet ISO / AATCC Standards.
- ASTM Yarn grading standard boards
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