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High chroma red shade with excellent tinctorial strength.
Good lightfastness and weather resistance for outdoor applications.
Excellent dispersibility in aqueous and solvent-based systems.
Compliant with major global regulatory frameworks including REACH and FDA indirect food contact guidelines (subject to formulation).
Consistent batch-to-batch color performance and particle size distribution.
Architectural and industrial waterborne coatings.
Plastic coloration for polyolefins and PVC.
Inks for packaging and label printing (flexo & gravure).
Wood stains and decorative finishes.
Masterbatch formulations for injection-molded consumer goods.
| Chemical Type | Azo pigment (Calcium salt of 4-hydroxy-3-(2-(4-sulfophenyl)diazenyl)-2,7-naphthalenedisulfonic acid) |
| Product Form | Fine powder |
| Appearance | Red to reddish-brown free-flowing powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High transparency, good heat stability up to 200°C, low migration |
| Benefits | Enhanced color consistency, reduced dosage requirements, improved processing efficiency |
| Regulatory Status | REACH registered; compliant with EU Directive 2002/72/EC for food-contact plastics (when used within specified limits) |
Q1: What is the primary application field for Sanolin Ponceau 4RC 82?
A: Sanolin Ponceau 4RC 82 is a high-performance azo pigment specifically developed for use in solvent-based and water-based inks, particularly in packaging gravure and flexographic printing applications where bright red shades and good lightfastness are required.
Q2: Is this pigment suitable for food packaging inks?
A: Sanolin Ponceau 4RC 82 is designed to meet industry expectations for non-food-contact and indirect food-contact packaging inks. Its suitability for specific regulatory environments depends on final formulation, processing conditions, and local compliance requirements — users should conduct full regulatory validation as part of their qualification process.
Q3: How does this pigment perform in terms of dispersion stability and rheology control?
A: The pigment exhibits excellent dispersibility in common ink vehicles and contributes to stable rheological profiles when properly dispersed. It typically requires conventional dispersing aids or wetting agents, and performance is optimized with high-shear dispersion techniques.
Q4: What are the key handling and storage recommendations?
A: Store in original sealed containers in a cool, dry place away from direct sunlight and sources of heat or ignition. Avoid inhalation of dust during handling; use appropriate engineering controls and personal protective equipment such as respirators and gloves consistent with industrial hygiene best 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
