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High chroma and excellent blue shade consistency for precise color matching.
Outstanding dispersibility in water-based and solvent-free systems.
Good lightfastness and thermal stability up to 180 °C.
Low migration behavior, suitable for demanding applications requiring color permanence.
Compliant with major global regulatory frameworks including REACH and RoHS.
Architectural coatings and interior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Water-based wood stains and clear finishes.
Plastic coloration for non-food-contact rigid PVC and ABS.
Printing inks for packaging and decorative laminates.
| Chemical Type | Organic Pigment (C.I. Pigment Blue 15:3) |
| Product Form | Free-flowing powder |
| Appearance | Blue-violet free-flowing powder |
| Primary Applications | Water-based coatings, industrial inks, plastic coloration |
| Key Features | High tinctorial strength, low dusting, good wetting |
| Benefits | Efficient dosage, reduced processing energy, stable color development |
| pH Stability Range | 5.0–9.0 |
| Recommended Storage | Cool, dry place; avoid direct sunlight and moisture |
Q1: What is the primary application field for Viscofil Blue BL 500?
A: Viscofil Blue BL 500 is specifically engineered for coloring viscose and other regenerated cellulose fibers, including lyocell and modal. It delivers excellent tinctorial strength, good migration during dyeing, and high wash and light fastness in these cellulosic systems.
Q2: Is Viscofil Blue BL 500 suitable for polyester or polyamide fibers?
A: No — Viscofil Blue BL 500 is a pigment-based formulation designed for aqueous dispersion and optimized for cellulosic fiber systems. It is not recommended for synthetic fibers such as polyester or polyamide, which typically require disperse or acid dyes with different solubility and affinity characteristics.
Q3: How is Viscofil Blue BL 500 supplied and handled in production?
A: The product is supplied as a stable aqueous pigment dispersion, ready for direct dosing into dye baths. It requires no pre-dissolution or special milling. Standard industrial mixing and pumping equipment is generally sufficient, though gentle agitation is recommended to maintain homogeneity prior to use.
Q4: What are the key handling and storage recommendations?
A: Store in original sealed containers at temperatures between 5 °C and 35 °C, protected from freezing and prolonged exposure to direct sunlight. Avoid contamination with incompatible materials, and ensure adequate ventilation during handling as with any industrial pigment dispersion.
Q5: Can Viscofil Blue BL 500 be used in combination with other Clariant Viscofil pigments?
A: Yes — Viscofil Blue BL 500 is fully compatible with other products in the Viscofil range and is commonly used in mixtures to achieve custom shades on viscose and related fibers. For optimal reproducibility, it is recommended to conduct small-scale trials when developing new combinations.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
