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High UV stability for long-term color retention in demanding outdoor applications.
Excellent lightfastness and weather resistance, compliant with ISO 105-B02 (≥7 on Blue Scale).
Optimized particle size distribution for enhanced dispersion and consistent tinting strength.
Low soluble salt content ensuring compatibility with sensitive resin systems and reduced corrosion risk.
Non-hazardous formulation meeting REACH and RoHS compliance requirements.
Architectural coatings including exterior wall paints and façade systems.
Plastic compounds for automotive exterior trim and construction profiles.
Concrete and cement-based products such as colored paving stones and precast elements.
Industrial maintenance coatings for bridges, pipelines, and marine infrastructure.
UV-curable inks and coatings requiring thermal and photostable iron oxide pigments.
| Chemical Type | Synthetic Iron Oxide (Fe₂O₃) |
| Product Form | Free-flowing dry powder |
| Appearance | Red-brown fine powder |
| Primary Applications | Coatings, plastics, construction materials |
| Key Features | UV-stabilized, low dust, high dispersibility |
| Benefits | Color consistency, minimal flocculation, extended service life |
| pH (10% aqueous slurry) | 6.5 – 8.0 |
| Volatile Matter (105 °C, 2 h) | ≤ 1.0 wt% |
Q1: What is the primary application of Hostatint UV 2B in polymer systems?
A: Hostatint UV 2B is specifically engineered for coloration of UV-stabilized polyolefins and other engineering thermoplastics where high thermal stability, excellent lightfastness, and resistance to UV degradation are required—commonly used in outdoor applications such as automotive trim, construction profiles, and technical injection-molded parts.
Q2: How does Hostatint UV 2B differ from standard iron oxide pigments?
A: Unlike conventional iron oxides, Hostatint UV 2B features a specialized surface treatment and particle engineering that enhances dispersibility in non-polar polymers, improves thermal stability during high-temperature processing (e.g., extrusion or injection molding), and minimizes catalytic effects on polymer degradation—making it particularly suitable for demanding UV-exposed applications.
Q3: Is Hostatint UV 2B compatible with masterbatch production?
A: Yes—it is widely used in polyolefin-based masterbatches due to its excellent melt stability, low dusting characteristics, and consistent rheological behavior during compounding. Its optimized particle morphology supports high loading levels while maintaining good filterability and extrusion performance.
Q4: What are the recommended handling and storage conditions?
A: Store in a cool, dry location away from direct sunlight and sources of heat or moisture. Keep containers tightly sealed to prevent moisture absorption and contamination. Standard industrial hygiene practices apply—avoid inhalation of dust and use appropriate PPE during manual handling.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
