Sulphur Red 6 is Puce powder. Part of the soluble in water. In the Sodium sulfide solution solubility is good, for the red light brown to brown; In concentrated sulfuric acid for dark blue purple, dilution after brown precipitation.
In reducing media (e.g. sodium sulfide) it converts to a soluble leuco form for exhaustion onto cellulosic fibres and then is re-oxidized to the insoluble pigment on the fibre, producing a red-brown shade with good depth and economy for large-scale dyeing.
Sulfur Bordeaux 3B;Sulphur Red Brown B3R;Sulphur Brown 3BR;
Applications:
Mainly used for cotton, hemp, viscose and vinylon/cotton blended fabric dyeing, suitable for dye corduroy, also used in leather dyeing.
Acid Resistance | 4 |
Alkali Resistance | 2 |
Light Fastness | 3-4 |
Fulling | 2-3 |
Persperation Fastness | 2-3 |
Soaping(Moderate) | 3-4 |
Soaping(Severe) | 2-3 |
Available with Certificate of Analysis (COA) and Safety Data Sheet (SDS) on request. Typical packaging: 25 kg kraft bags (inner PE), 500 kg drums. Custom private-label packing is available for MOQ orders.
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
Primarily cotton, viscose and vinylon/cotton blends; it is sometimes used for leather dyeing and corduroy for red-brown shades.
Sulfur dyes in general have poor resistance to strong chlorinating oxidants (hypochlorite). Avoid hypochlorite bleaching after dyeing unless a suitable process is applied.
