High-performance UV-stable organic pigment dispersion for demanding outdoor applications.
Optimized rheology for easy incorporation into UV-curable coatings and inks.
Excellent lightfastness and weather resistance meeting ISO 11341 and ASTM G154 requirements.
Low volatile organic compound (VOC) content, supporting sustainable formulation goals.
Consistent batch-to-batch color strength and hue, ensuring reliable production repeatability.
UV-curable industrial coatings for automotive trim and electronics enclosures.
UV-flexo and UV-offset inks for premium packaging requiring long-term outdoor exposure.
UV-curable digital inks for decorative laminates and signage substrates.
UV-curable powder coating colorants for architectural aluminum profiles.
Functional color pastes for optical films and anti-glare layers in display components.
| Chemical Type | Organic pigment dispersion in reactive acrylate carrier |
| Product Form | Paste (liquid dispersion) |
| Appearance | Homogeneous, viscous paste with uniform color distribution |
| Primary Applications | UV-curable coatings, inks, and functional films |
| Key Features | UV stability, low VOC, high color strength, shear-thinning rheology |
| Storage Conditions | Store at 5–30 °C; protect from freezing and direct sunlight |
| Shelf Life | 12 months from date of manufacture under recommended storage |
| Compliance | REACH registered; compliant with EU Directive 2009/128/EC (Sustainable Use of Pesticides) |
Q1: What is the primary application of Hostatint UV F5RK Color Paste?
A: Hostatint UV F5RK is a highly concentrated, UV-stable color paste specifically developed for coloring UV-curable inks, coatings, and adhesives—particularly where high chroma, excellent dispersion stability, and minimal impact on cure speed are required.
Q2: Is this product compatible with common UV resin systems?
A: Yes, Hostatint UV F5RK is formulated for compatibility with acrylate-based UV resins—including monofunctional, difunctional, and multifunctional monomers and oligomers—and demonstrates good stability in both free-radical and cationic UV formulations.
Q3: How should Hostatint UV F5RK be incorporated into a UV formulation?
A: It is typically added during the final mixing stage under low-shear conditions to preserve dispersion integrity. Pre-dispersion is not usually required, but gentle homogenization ensures uniform distribution without introducing air or degrading photoinitiator efficiency.
Q4: Does this color paste affect UV cure performance?
A: When used within recommended dosage ranges, Hostatint UV F5RK exhibits low photoinhibitory effect and maintains efficient surface and through-cure. Its optimized pigment surface treatment helps minimize interference with radical generation and propagation kinetics.
Q5: What is the typical dosage range for achieving target color strength?
A: Dosage depends on the base formulation, desired opacity/chroma, and substrate, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight—to achieve strong, consistent coloration without compromising rheology or cure behavior.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China