Research Article
Effects of Different Mordants on Silk Fabric Dyed with Onion Outer Skin Extracts
Table 3
Washing, light, and dry cleaning fastness of dyed fabrics.
| | Mordant type | Washing fastness | Light | Dry | | | fastness | cleaning | | Di-acetate | Bleached cotton | Polyamide | Polyester | Acrylic | Wool | (CC) | CC | CS |
| | No mordant (Reference dyed) | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4/5 | 5 | | Fe | 3/4 | 5 | 5 | 5 | 5 | 5 | 4 | 6 | 5 | 5 | | Fe + Alum | 3 | 5 | 5 | 5 | 5 | 5 | 4 | 6 | 4 | 5 | | Fe + Alum + Tin | 3/4 | 5 | 5 | 5 | 5 | 5 | 4 | 7 | 4/5 | 5 | | Alum | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 5 | | Alum + CT | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4/5 | 5 | | Alum + Tin | 3 | 5 | 5 | 5 | 5 | 5 | 4 | 3 | 4.5 | 5 | | Tin | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 5 | 5 | | Tin + CT | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 4/5 | 5 | | Tannic acid (TA) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 4/5 | 5 | | Alum + Tin + TA | 4 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 4/5 | 5 | | Tartaric acid | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 3 | 4/5 | 5 |
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: color change; : color staining.
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