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UPF values and the UV protection category of dyed blended wool/acrylic and silk fabrics.
| Sample | Blended wool/acrylic fabric |
Silk fabric |
||
|---|---|---|---|---|
| UPF | UV protection category | UPF | UV protection category | |
| Untreated | 97 | Excellent | 10 | Insufficient protection |
| Treated with dye | 675 | 15 | Good protection | |
| Treated with dye + ZnCl2 | 1485 | 22 | ||
| Treated with dye + FeSO4·7H2O | 4525 | 16 | ||
| Treated with dye + KAl(SO4)2·12H2O | 1061 | 15 | ||
| CuSO4·5H2O | 4626 | 15 | ||
