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HS Code |
798042 |
| Chemical Name | Vat Grey 3B |
| Color Index Number | CI 73005 |
| Type | Anthraquinone vat dye |
| Physical Form | Powder |
| Shade | Grey |
| Solubility | Insoluble in water |
| Molecular Formula | C28H16N2O8 |
| Application | Textile dyeing (mainly cotton and cellulose fibers) |
| Melting Point | Decomposes |
| Light Fastness | Excellent |
| Chemical Class | Vat dye |
| Cas Number | 1324-11-4 |
As an accredited Vat Grey 3B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Vat Grey 3B features a sturdy 25 kg fiber drum with a sealed inner polyethylene liner for moisture protection. |
| Shipping | Vat Grey 3B is typically shipped in tightly sealed, moisture-proof drums or bags to protect its quality. The containers must be clearly labeled according to hazardous materials regulations. During transit, the chemical should be kept dry, away from incompatible substances, and handled carefully to prevent spillage or exposure. |
| Storage | Vat Grey 3B should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the chemical in tightly sealed containers, protected from moisture and incompatible substances, such as strong oxidizers and acids. Proper labeling and safety signage are essential. Follow local regulations and safety guidelines for secure and environmentally safe storage. |
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Purity 98%: Vat Grey 3B with a purity of 98% is used in textile dyeing processes, where it ensures consistent shade reproducibility and high color fastness. Particle Size D90 ≤ 5μm: Vat Grey 3B with particle size D90 ≤ 5μm is used in high-precision printing applications, where it enables smooth dispersion and uniform fabric coverage. Molecular Weight 385 g/mol: Vat Grey 3B at molecular weight 385 g/mol is used in synthetic fiber coloring, where it provides stable molecular integration and enhances resistance to washing. Melting Point 320°C: Vat Grey 3B with a melting point of 320°C is used in high-temperature industrial dyeing, where it retains structural integrity and prevents thermal degradation. Stability Temperature 200°C: Vat Grey 3B with a stability temperature of 200°C is applied in continuous dyeing processes, where it maintains chromatic stability under extended heating cycles. Solubility in Sodium Hydrosulfite: Vat Grey 3B with high solubility in sodium hydrosulfite is used in reduction dye baths, where it achieves rapid and even dye uptake. Viscosity 40 mPa·s (in alkali solution): Vat Grey 3B at a viscosity of 40 mPa·s in alkali solution is used in pad dyeing lines, where it ensures effective fabric penetration and uniform coloration. Light Fastness Grade 7: Vat Grey 3B with a light fastness grade of 7 is employed in outdoor fabric applications, where it provides long-lasting resistance to fading under UV exposure. Residue on Ignition ≤ 0.3%: Vat Grey 3B with a residue on ignition ≤ 0.3% is used in garment dyeing, where it minimizes insoluble residues and enhances process cleanliness. Moisture Content ≤ 1.0%: Vat Grey 3B with moisture content ≤ 1.0% is applied in automated dye dosing systems, where it ensures powder flowability and dosing accuracy. |
Competitive Vat Grey 3B 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
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