1.Purpose and Scope
1.1This test method is used to determine the resistance to staining by acid food colors on pile floor coverings.
2.Principle
2.1A specimen of pile floor covering is stained with a small volume of a diluted aqueous solution of Food Drug and Cosmetic (FD&C) Red 40 adjusted to an acid pH. After allowing the stained specimen to remain at controlled conditions for 24 plus or minus 4 h, it is rinsed in water to remove all unused FD&C Red 40 dye. Any residual stain is assessed after drying.
- Published:
- 2008
- Number of Pages:
- 2
- File Size:
- 1 file , 96 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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