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High chroma, clean red shade with excellent color strength and batch-to-batch consistency.
Optimized for compatibility with water-based and solvent-based acrylic, vinyl, and alkyd systems.
Good lightfastness and thermal stability up to 160°C during processing.
Low volatile organic compound (VOC) content, supporting sustainable formulation goals.
Stable rheology and dispersion performance without requiring additional grinding or stabilization.
Architectural coatings including interior and exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Plastic coloration for rigid PVC profiles and extruded building materials.
Wood stains and clear finishes requiring transparent red tinting.
Printing inks for packaging applications where color purity and reproducibility are critical.
| Chemical Type | Azo pigment-based color paste |
| Product Form | Viscous liquid paste |
| Appearance | Homogeneous red paste, free of grit or sediment |
| Primary Applications | Water-based and solvent-based coatings, plastics, inks |
| Key Features | High tinctorial strength, excellent dispersibility, low VOC |
| Benefits | Reduced formulation complexity, improved color matching accuracy, enhanced storage stability |
| Storage Conditions | Store at 5–30°C in tightly sealed containers; avoid freezing |
| Shelf Life | 24 months from date of manufacture under recommended conditions |
Q1: What types of polymers is Hostasol Red 5B Color Paste compatible with?
A: Hostasol Red 5B Color Paste is specifically formulated for use in polyolefins (e.g., PP and PE), as well as certain engineering thermoplastics including ABS and PS. Compatibility with other polymer systems should be verified through application testing under actual processing conditions.
Q2: How stable is the colorant during high-temperature processing such as injection molding or extrusion?
A: Hostasol Red 5B exhibits good thermal stability suitable for standard polyolefin processing temperatures up to approximately 240 °C. Performance may vary depending on residence time, shear history, and formulation matrix—recommended to validate stability in end-use processing conditions.
Q3: What is the typical dosage range for achieving target color intensity?
A: Dosage depends on the base polymer, desired shade depth, and processing method, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight. Optimal loading should be determined experimentally to balance color strength, dispersion quality, and cost efficiency.
Q4: Does this color paste contain heavy metals or halogenated compounds?
A: Hostasol Red 5B Color Paste is formulated without intentionally added heavy metals (e.g., lead, cadmium, mercury, hexavalent chromium) or halogenated organic pigments. It is designed to meet common regulatory expectations for general-purpose industrial applications, though specific compliance must be confirmed per regional requirements and final article composition.
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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
