Table 9 Fastness grading of polyamide 6 fabric dyed with metal and bio-mordants.
Mordant used | Light fastness | Wash fastness | Staining wash fastness-viscose | Staining wash fastness- wool | Dry rubbing fastness | Wet rubbing fastness |
|---|---|---|---|---|---|---|
Without Mordant | 3–4 | 3 | 3–4 | 3–4 | 3–4 | 3 |
Cr | 6–7 | 5 | 4–5 | 5 | 4–5 | 4 |
Zn | 4–5 | 3–4 | 4 | 3–4 | 4 | 4 |
Cu | 6 | 4–5 | 5 | 4–5 | 5 | 4–5 |
Fe | 6–7 | 4 | 4–5 | 4 | 5 | 5 |
Juglans R | 8 | 5 | 5 | 5 | 5 | 5 |
Rhus coriaria L | 6 | 4–5 | 4–5 | 5 | 4–5 | 4 |
Terminalia chebula | 7–8 | 5 | 5 | 5 | 5 | 5 |
Carthamus tinctorius | 6–7 | 4–5 | 5 | 4–5 | 4–5 | 4 |
Urtica | 6–7 | 4–5 | 5 | 5 | 4–5 | 4 |
