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High chroma and excellent color strength for consistent burnt umber hue reproduction.
Optimized dispersion stability in water-based and solvent-based systems.
Low volatile organic compound (VOC) content, compliant with major environmental regulations.
Good lightfastness and weather resistance suitable for both interior and exterior applications.
Non-hazardous formulation with no heavy metals or restricted aromatic amines.
Architectural coatings including interior and exterior emulsion paints.
Industrial maintenance coatings for metal and concrete substrates.
Wood stains and clear finishes requiring natural earth-tone depth.
Plastic coloration for PVC, ABS, and polyolefin compounds.
Ceramic glaze and underglaze decoration systems.
| Chemical Type | Inorganic pigment dispersion (iron oxide-based) |
| Product Form | Liquid color paste, ready-to-use |
| Appearance | Viscous, homogeneous brown paste |
| Primary Applications | Water-based & solvent-based coatings, plastics, ceramics |
| Key Features | High tinting strength, low viscosity, excellent batch-to-batch consistency |
| Benefits | Reduced grinding time, improved color development, easy dosage control |
| pH Value (25°C) | 7.0–8.5 |
| Storage Stability | 12 months unopened at 5–30°C |
Q1: What types of resin systems is Yingcai Chroma-chem 844 compatible with?
A: Chroma-chem 844 Burnt Umber 1352 is formulated for broad compatibility with common industrial resin systems, including acrylics, polyurethanes, alkyds, epoxies, and PVC plastisols. Performance may vary depending on dispersion method and formulation pH, so lab-scale compatibility testing is recommended prior to full-scale integration.
Q2: How should this color paste be dispersed in a coating or ink formulation?
A: Optimal dispersion is achieved using high-shear mixing equipment such as dissolvers or rotor-stators. Pre-dilution with a small amount of compatible carrier solvent or resin solution is advised to ensure uniform incorporation. Avoid prolonged high-temperature processing that may affect pigment stability or rheology.
Q3: Does this product contain heavy metals or restricted substances?
A: Chroma-chem 844 Burnt Umber 1352 is manufactured without intentionally added lead, cadmium, mercury, or hexavalent chromium. It complies with widely recognized industry expectations for general-purpose industrial colorants, though end-use regulatory compliance (e.g., for food contact or toys) requires evaluation within the final formulated product and application context.
Q4: What is the typical dosage range for achieving standard opacity and shade depth?
A: Dosage depends on substrate, film thickness, and desired chroma intensity, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight relative to the total formulation. Stronger tinting strength allows efficient color development without significantly altering viscosity or drying behavior.
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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
