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High chroma, lightfast yellow shade with excellent color strength and consistency.
Optimized for water-based systems including acrylic emulsions, PVA dispersions, and aqueous coatings.
Low volatile organic compound (VOC) content, supporting sustainable formulation requirements.
Good compatibility with common thickeners, dispersants, and co-binders used in architectural and industrial coatings.
Stable rheology profile enabling easy incorporation and homogeneous distribution without re-agglomeration.
Architectural interior and exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Water-based wood stains and clear finishes.
Decorative plasters and textured coating systems.
Waterborne primers and undercoats requiring high-opacity yellow tinting.
| Chemical Type | Azo pigment dispersion |
| Product Form | Concentrated aqueous color paste |
| Appearance | Homogeneous, viscous yellow liquid |
| Primary Applications | Water-based architectural and industrial coatings |
| Key Features | High tinctorial strength, low VOC, good storage stability |
| Benefits | Reduced dosing, consistent batch-to-batch color, easy handling |
| pH (10% aqueous dilution) | 7.5–8.5 |
| Storage Stability | ≥6 months at 5–30 °C in sealed original container |
Q1: What is the primary application area for Hostatint Yellow A-HRD 100?
A: Hostatint Yellow A-HRD 100 is specifically developed for coloring polyolefin-based packaging materials, including flexible films and rigid containers used in food, pharmaceutical, and consumer goods applications. Its high thermal stability and dispersion performance make it especially suitable for extrusion and injection molding processes.
Q2: Is this color paste compatible with other Hostatint pigments or additives?
A: Yes, Hostatint Yellow A-HRD 100 is formulated to be compatible with other Hostatint color pastes and common polymer processing additives—provided compatibility is verified under actual processing conditions. Co-use with heat stabilizers, antioxidants, or antistatic agents is generally feasible, but recommended formulation trials should be conducted to confirm performance and color fidelity.
Q3: How should this paste be stored and handled to maintain stability?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and sources of heat or moisture. Avoid freezing. Prior to use, ensure thorough mechanical mixing to rehomogenize any settled pigment phase. Once opened, minimize exposure to air and humidity to preserve rheological consistency and color strength.
Q4: Does this product meet regulatory requirements for food-contact applications?
A: Hostatint Yellow A-HRD 100 is designed to support compliance with major global food-contact regulations—including FDA 21 CFR and EU Framework Regulation (EC) No 1935/2004—when used in approved polymers and within recommended dosage ranges. Final compliance depends on the complete formulation, processing conditions, and end-use application, and must be confirmed by the compounder or converter.
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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
