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High chroma yellow shade with excellent lightfastness and weather resistance.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in common polymer matrices including polyolefins and engineering plastics.
Compliant with major global regulatory frameworks, including REACH and RoHS.
Low migration behavior ensuring color consistency in food-contact and medical-grade applications.
Polypropylene (PP) and polyethylene (PE) packaging films and containers.
Automotive interior components requiring long-term UV stability.
Household appliances and consumer electronics housings.
Medical devices and pharmaceutical packaging where regulatory compliance is critical.
Industrial coatings and masterbatch formulations for extrusion and injection molding.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to orange-yellow powder |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | High tinctorial strength, low dusting, excellent heat stability |
| Benefits | Consistent batch-to-batch color, minimal filter clogging, easy handling |
| Regulatory Status | REACH registered; compliant with FDA 21 CFR §178.3297 (for indirect food contact) |
| Storage Conditions | Store in cool, dry place below 30 °C; protect from moisture and direct sunlight |
Q1: What is the primary application field for Savinyl Yellow 2RLS?
A: Savinyl Yellow 2RLS is a high-performance, solvent-stable yellow pigment specifically developed for use in industrial and decorative coatings, including coil coatings, automotive refinishes, and general-purpose solventborne systems where excellent lightfastness and thermal stability are required.
Q2: Is Savinyl Yellow 2RLS suitable for waterborne systems?
A: While primarily optimized for solventborne formulations, Savinyl Yellow 2RLS can be incorporated into certain waterborne systems with appropriate dispersants and stabilization protocols—however, performance must be validated case-by-case due to its inherent hydrophobic character and lack of built-in anionic or nonionic surfactant functionality.
Q3: How does Savinyl Yellow 2RLS compare to conventional azo pigments in terms of heat stability?
A: Savinyl Yellow 2RLS exhibits significantly improved thermal stability compared to standard monoazo yellow pigments, enabling its use in high-bake coating applications (e.g., coil coating cure cycles) without substantial hue shift or decomposition—making it a preferred choice where processing temperatures exceed typical azo limits.
Q4: What dispersion methods are recommended for optimal performance?
A: High-shear dispersion using suitable organic dispersants or polymeric stabilizers is recommended. Ball milling or pearl milling in aromatic or ketonic solvents typically delivers best results; pre-dispersed paste forms are also available from Clariant to simplify integration into production processes.
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