Our liquid sulfur black dye provides exceptional fiber penetration with minimal softening effects, ensuring fabric integrity while achieving uniform color distribution. The product exhibits excellent stability throughout the dyeing process, superior penetration properties for even coloration, minimal batch-to-batch color variation, and user-friendly process control characteristics. This results in consistently high-quality dyed products while significantly reducing post-treatment water processing complexity and environmental impact.

Manufactured using state-of-the-art production technology, this premium dye ensures consistent quality across all production batches, making it the preferred choice for modern textile dyeing and finishing enterprises seeking reliable, efficient, and environmentally responsible dyeing solutions.

Prior to dyeing operations, thoroughly agitate the liquid sulfur black dye to ensure complete homogenization. Add the dye at a concentration of 1-3% based on fabric weight to the dyeing vessel. Maintain precise temperature control at 60-80℃ while adjusting pH levels to 11-12 for optimal dye performance. The dyeing process typically requires 30-60 minutes with continuous agitation to ensure uniform color penetration and consistent results.

Following the dyeing cycle, conduct thorough rinsing procedures to remove excess dye particles and achieve clean, vibrant coloration. Complete the process with proper oxidation fixation treatment to enhance color fastness and durability. We strongly recommend conducting preliminary laboratory-scale trials to determine optimal process parameters for specific fabric types and desired color specifications before full-scale production implementation.

Extensively utilized across the global textile dyeing industry, this product demonstrates particular excellence in large-scale industrial denim fabric dyeing operations. The dye exhibits superior compatibility with cotton textiles, linen fabrics, viscose fibers, and various natural and regenerated fiber materials, delivering consistent professional results across diverse fabric compositions.

The application scope encompasses apparel manufacturing for fashion and workwear, home textile production including bedding and upholstery, industrial fabric processing for technical applications, and specialized textile products requiring deep black coloration. Additionally, the product serves the paper manufacturing industry for applications requiring consistent black pigmentation in paper production processes.

This premium dyeing solution has gained widespread adoption among leading textile manufacturers worldwide, earning recognition for its reliability, consistency, and superior performance characteristics in demanding industrial applications.

Physical appearance: Uniform black liquid with sediment-free consistency; pH value: >11 for optimal alkaline performance; Active content concentration: ≥200 g/L; Specific density: 1.2-1.5 g/cm³; Viscosity measurement: ≤200 cP for easy handling; Color tone options: Blue light/red light variations available; Light fastness rating: Grade 6-7 exceptional performance; Wash fastness rating: Grade 4-5 superior durability; Storage stability: 12 months at ambient temperature, extended 24 months under refrigerated conditions; Available packaging configurations: 25kg drums for small-scale operations, 200kg drums for medium production, and 1000kg IBC containers for large-scale industrial applications.

Mandatory safety protocols require operators to wear comprehensive protective equipment including chemical-resistant gloves, safety goggles, and protective clothing to prevent direct skin and eye contact. Storage facilities must maintain cool, dry, well-ventilated conditions while avoiding direct sunlight exposure and elevated temperature environments that could compromise product integrity.

Strictly prohibit mixing with acidic substances or oxidizing agents to prevent dangerous chemical reactions. All wastewater generated during dyeing operations must undergo proper treatment in full compliance with local environmental regulations before discharge. Transportation procedures must prevent package damage and leakage while adhering to hazardous chemical shipping requirements and safety standards.