| Color Sample | Color fastness 1:1 standard depth | ||||||
|---|---|---|---|---|---|---|---|
| Staining depth (o.w.f) | % | Sun exposure | Soap washing at 95℃ | Sweat stains | Friction | Ironing | Chlorine bleaching |
| % | CHCO | CHCO | Dry and wet | ||||
| 7-8 | 4-5， 4-5 | 4-5， 4-5 | 4-5， 4 | 4-5 | 1 | ||
C.I. Vat Blue 4 is a classic blue vat dye that provides excellent and balanced overall fastness for cellulosic fibers. It is one of the most mainstream and versatile choices in the high-fastness dyeing market, especially suitable for textiles that pursue high quality while balancing cost-effectiveness.
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