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High chroma and excellent color strength for vivid, consistent yellow hues.
Outstanding dispersion stability in both water-based and solvent-based systems.
Good lightfastness and thermal stability up to 180°C for demanding processing conditions.
Low volatile organic compound (VOC) content, supporting eco-friendly formulation requirements.
Compatible with common acrylic, polyester, and alkyd resin systems without flocculation or viscosity drift.
Architectural and industrial waterborne coatings.
Automotive refinish and OEM basecoat systems.
Plastic coloration for ABS, PS, and PVC compounds.
Ink formulations for packaging gravure and flexographic printing.
Wood stains and clear-coat tinting applications.
| Chemical Type | Organic Pigment Dispersion (Azo-type) |
| Product Form | Liquid color paste (non-aqueous carrier system) |
| Appearance | Homogeneous, viscous yellow paste with glossy surface |
| Primary Applications | Coatings, inks, plastics |
| Key Features | High tinctorial strength, low dusting, easy wetting |
| Benefits | Reduced dosage requirement, improved batch-to-batch consistency, simplified handling |
| pH (10% dispersion in water) | 7.2–7.8 |
| Storage Stability | ≥12 months at 5–30°C in sealed container |
Q1: What types of polymer systems is Yingcai Chroma-chem 844 compatible with?
A: Yingcai Chroma-chem 844 is formulated for broad compatibility with thermoplastic resins including polyolefins (PP, PE), PS, ABS, and certain engineering plastics. It demonstrates good dispersion stability during melt processing and is not recommended for highly polar or reactive systems such as polyurethanes or epoxy-based matrices without prior compatibility testing.
Q2: How should this color paste be incorporated into a production process?
A: Yingcai Chroma-chem 844 is designed for direct addition via gravimetric or volumetric dosing systems during compounding or extrusion. It can be pre-mixed with base resin or added downstream using side-feeders. For optimal dispersion, ensure adequate shear and residence time in the melt phase; avoid excessive thermal history to preserve color strength and hue consistency.
Q3: Is this product suitable for applications requiring lightfastness or weather resistance?
A: Yes — Yingcai Chroma-chem 844 is based on high-performance organic yellow pigments selected for enhanced photostability. It delivers good to very good lightfastness in typical indoor applications and moderate outdoor durability, particularly when used with UV stabilizers and protective resin matrices. Performance varies depending on final film thickness, exposure conditions, and formulation synergy.
Q4: What is the typical dosage range for achieving standard color intensity?
A: Dosage depends on the base polymer, desired shade depth, and processing conditions, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to the total formulation. A starting point of 0.5% is often effective for medium-strength yellow tones in polyolefins; fine-tuning is recommended via lab-scale trials.
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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
