A specimen of the textile (textiles in all kinds and in all forms) in contact with adjacent fabrics is milled in solutions of acetic and/or sulfuric acid, rinsed and dried. The change in colour of the specimen and the staining of the adjacent fabrics are assessed with the grey scales.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 105-E13:1994 |
| Product Name | Textiles - Tests for colour fastness - Part E13: Colour fastness to acid-felting: Severe |