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HS Code |
948111 |
| Chemical Name | Direct Black EX |
| Color Index | Direct Black 22 |
| Appearance | Black powder |
| Solubility | Soluble in water |
| Application | Textile dyeing |
| Chemical Class | Azo dye |
| Molecular Formula | C44H32N12O12S2Na2 |
| Melting Point | Decomposes |
| Light Fastness | Moderate |
| Stability | Stable under normal conditions |
As an accredited Direct Black EX factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Black EX features a sturdy 25 kg woven polypropylene bag, labeled with product name, batch number, and safety instructions. |
| Shipping | Direct Black EX should be shipped in tightly sealed containers, protected from moisture and direct sunlight. It must be handled as a non-hazardous dye, following standard procedures for dyes and chemicals. Store and transport in a cool, dry environment, with proper labeling and documentation in compliance with relevant local and international regulations. |
| Storage | Direct Black EX should be stored in a cool, dry, and well-ventilated area away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and protected from moisture. Store away from incompatible materials such as strong oxidizers. Ensure proper labeling and handling to prevent spills, and avoid inhalation or prolonged skin contact with the product. |
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Purity 98%: Direct Black EX with 98% purity is used in textile dyeing, where it ensures deep black coloration and high reproducibility. High Solubility: Direct Black EX with high solubility is used in continuous dyeing of cellulosic fibers, where it enables efficient dye uptake and uniform shade development. Molecular Weight 650 g/mol: Direct Black EX at 650 g/mol molecular weight is used in cotton yarn dyeing, where it provides consistent penetration and shade uniformity. Stability Temperature 120°C: Direct Black EX stable at 120°C is used in high-temperature dyeing processes, where it prevents decomposition and color loss. Fine Particle Size 5 µm: Direct Black EX with 5 µm particle size is used in ink formulation, where it produces smooth dispersion and eliminates print head clogging. Low Sodium Salt Content: Direct Black EX with low sodium salt content is used in paper coating applications, where it reduces efflorescence and maintains surface quality. Viscosity Grade 20 cps: Direct Black EX at 20 cps viscosity grade is used in water-based dye baths, where it improves solution stability and ease of handling. Lightfastness Grade 6: Direct Black EX with lightfastness grade 6 is used in automotive interior fabrics, where it provides sustained color retention under UV exposure. pH Stability 4-10: Direct Black EX with pH stability between 4 and 10 is used in wool dyeing, where it maintains color consistency across varying process conditions. High Tinctorial Strength: Direct Black EX with high tinctorial strength is used in garment printing, where it achieves intense black shades at lower dosages. |
Competitive Direct Black EX prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
Flexible payment, competitive price, premium service - Inquire now!
