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High chroma yellow shade with excellent lightfastness for durable color performance.
Optimized dispersibility in aqueous and solvent-based printing ink systems.
Good heat stability suitable for high-speed rotary and flexographic printing processes.
Low volatile organic compound (VOC) contribution, supporting eco-friendly ink formulations.
Consistent batch-to-batch color reproducibility meeting stringent quality control standards.
Water-based flexographic inks for food packaging and label printing.
Solvent-based gravure inks used in high-speed packaging production lines.
UV-curable offset and screen inks for premium commercial and packaging applications.
Plastic masterbatches for polyolefin films requiring non-migrating yellow hue.
Industrial coatings where balanced weather resistance and gloss retention are critical.
| Chemical Type | Azo pigment (Benzimidazolone derivative) |
| Product Form | Free-flowing powder |
| Appearance | Bright yellow to orange-yellow powder |
| Primary Applications | Printing inks (flexo, gravure, offset), plastic coloration |
| Key Features | Good lightfastness, thermal stability up to 220°C, low dust generation |
| Benefits | Enhanced print definition, reduced press downtime, compliance with ISO 8781-3 dispersion standards |
| Regulatory Status | Compliant with EU REACH; non-POP compliant per Stockholm Convention |
| Storage Conditions | Store in dry, cool, well-ventilated area; avoid direct sunlight and moisture |
Q1: What is the primary application area for Hostaprint Yellow H4G 34 VP5283?
A: This pigment is specifically engineered for high-performance gravure and flexographic inks used in packaging applications, particularly where excellent lightfastness, heat stability, and solvent resistance are required — such as in food packaging, pharmaceutical labels, and premium consumer goods.
Q2: Is Hostaprint Yellow H4G 34 VP5283 suitable for food-contact inks?
A: Yes, it is designed to meet stringent regulatory expectations for indirect food contact applications when formulated and processed according to good manufacturing practices. Final compliance depends on the complete ink system, processing conditions, and end-use requirements — users should conduct full migration and safety assessments as part of their qualification process.
Q3: How does this pigment perform in solvent-based versus water-based ink systems?
A: Hostaprint Yellow H4G 34 VP5283 demonstrates strong compatibility and dispersion stability in aromatic- and ester-based solvent systems commonly used in gravure printing. It can also be adapted for water-based flexo inks with appropriate dispersants and stabilization technology, though performance optimization may require formulation adjustments.
Q4: What is the typical dosage range in printing inks?
A: Dosage depends on the desired shade strength, substrate, and print process, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight in the finished ink — to achieve optimal coloristic performance while maintaining rheology and drying behavior.
Q5: Does this pigment require special handling or storage conditions?
A: Store in a cool, dry place away from direct sunlight and sources of heat or moisture. Keep containers tightly sealed to prevent contamination and moisture uptake. As with all fine organic pigments, avoid inhalation of dust during handling and follow standard industrial hygiene practices.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
