Dyeing | Polyamide 6 | Polyester |
(1) Public supply water with citric acid 0.5 g/L | 0.50 ± 0.21 | 0.39 ± 0.11 |
(2) Public supply water with acetic acid 0.5 g/L and sequestering agenta 0.5 g/L | 0.84 ± 0.16 | 0.29 ± 0.08 |
(3) Hard water (with CaCO3 200 mg/L) with acetic acid 0.5 g/L | 0.94 ± 0.11 | 0.24 ± 0.06 |
(4) Hard water (with CaCO3 200 mg/L) with citric acid 0.5 g/L | 0.77 ± 0.10 | 0.26 ± 0.02 |
(5) Hard water (with CaCO3 200 mg/L) with acetic acid 0.5 g/L and sequestering agenta 0.5 g/L | 1.07 ± 0.13 | 0.31 ± 0.05 |