Direct Red 4B

Purity 98%: Direct Red 4B with 98% purity is used in textile dyeing processes, where it ensures consistent and vibrant red coloration on cotton fabrics.

Molecular weight 700 g/mol: Direct Red 4B of molecular weight 700 g/mol is used in paper manufacturing, where it achieves high dye uptake and uniform color distribution.

Light fastness grade 4: Direct Red 4B with light fastness grade 4 is used in silk printing applications, where it provides enhanced resistance to fading upon light exposure.

Solubility 50 g/L at 25°C: Direct Red 4B with solubility of 50 g/L at 25°C is used in aqueous dye baths for wool treatment, where it ensures rapid dissolution and homogeneous shade.

Stability temperature up to 120°C: Direct Red 4B stable up to 120°C is used in hot-melt ink formulations, where it maintains color integrity under elevated temperatures.

Particle size <10 microns: Direct Red 4B with particle size under 10 microns is used in tinting agents for plastic resins, where it promotes smooth dispersion and eliminates speckling.

pH stability 5-9: Direct Red 4B stable between pH 5 and 9 is used in specialty coating applications, where it guarantees reliable coloring performance in variable pH environments.

Sodium salt content <2%: Direct Red 4B with sodium salt content below 2% is used in synthetic fiber dyeing, where it minimizes conductivity and prevents fabric damage.