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Hengshui Bohai Chemical Technology Co., Ltd
Sulphur sapphire Blue CV 100% 120% for cotton and leather C.I. Sulphur Blue 15
Product Name: Sulphur Blue CV; C.I.Sulphur Blue 15; Asathio Light Green BG; Dycosulphur Sky Blue CV;Sulfur sapphire Blue CV
Molecular formula:
Standard: HG/T 3677-2009
Specification:
| Product name | Sulphur Blue CV |
| Quality standard | HG/T 3677-2009 |
| Appearance | Blue gray powder |
| Strength | 100% compared to standard |
| Moisture content | Max 5% |
| Insoluble substance in sodium sulfide | Max 0.5% |
| Fineness (through 250 μ M sieve residue content) | ≤5.0% |
| Free sulfur content | ≤12% |
Fastness on Cotton fabric:
| Fastness | Grade |
| Light fastness(Xenon Arc,6%owf) | 5~6 |
| Washing fastness (95°C) | 2~3 |
| Perspiration fastness | 3~4 |
| Water fastness | 3~4 |
| Rubbing fastness | 2~3 |
| Iron fastness(200°C after 4h fading) | 4 |
Application:
