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High chroma and excellent color strength for precise tinting accuracy.
Outstanding compatibility with water-based and solvent-based resin systems.
Good thermal stability up to 180°C, suitable for high-temperature processing.
Low volatile organic compound (VOC) content, supporting eco-friendly formulation requirements.
Consistent batch-to-batch color reproducibility and dispersion stability.
Architectural coatings and interior/exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Automotive refinish coatings (basecoat and primer applications).
Plastic coloration for ABS, PS, and PVC compounds.
Printing inks for packaging and decorative film applications.
| Chemical Type | Organic pigment dispersion in acrylic polymer carrier |
| Product Form | Paste (liquid concentrate) |
| Appearance | Homogeneous, viscous liquid with uniform color tone |
| Primary Applications | Water-based and solvent-based coatings, plastics, inks |
| Key Features | High tinctorial strength, excellent dispersibility, low dusting risk |
| Benefits | Reduced formulation time, improved color consistency, enhanced storage stability |
| pH Value (10% aqueous dilution) | 7.5 – 8.5 |
| Storage Stability | 12 months at 5–30°C in sealed original container |
Q1: What types of polymer systems is Meichen RH2 Color Paste compatible with?
A: Meichen RH2 Color Paste is formulated for compatibility with a broad range of thermoplastics and thermosets, including polyolefins (PP, PE), PVC, PS, ABS, and engineering resins such as PA and PC. Compatibility should be verified in the final processing environment due to variations in resin grade, additives, and thermal history.
Q2: How is Meichen RH2 Color Paste typically dosed in compound formulations?
A: Dosage depends on formulation requirements and desired color intensity, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight. Optimal loading is determined through lab-scale trials and rheological evaluation to ensure dispersion stability and processability.
Q3: Does Meichen RH2 Color Paste contain heavy metals or restricted substances?
A: Meichen RH2 Color Paste is manufactured without intentionally added lead, cadmium, mercury, or hexavalent chromium. It is designed to support compliance with major global regulatory frameworks for colorants in plastics, though final regulatory acceptance depends on the end-use application and regional requirements.
Q4: What are the recommended storage conditions for long-term 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, and ensure lids are tightly closed after each use to prevent skinning or viscosity changes.
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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
