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Highly stable iron oxide-based red pigment with excellent UV resistance for long-term outdoor performance.
Optimized particle size distribution ensuring superior dispersion and color consistency in demanding formulations.
Low oil absorption enabling efficient incorporation into high-solids and low-VOC coating systems.
Non-hazardous, REACH-compliant formulation suitable for industrial applications with stringent regulatory requirements.
Thermally stable up to 250 °C, supporting use in powder coatings and polymer processing.
Architectural and industrial coil coatings requiring weatherfastness and gloss retention.
Automotive OEM and refinish coatings where color fidelity and lightfastness are critical.
Plastic coloration for exterior automotive parts and construction profiles.
High-performance powder coatings for metal furniture, fencing, and façade systems.
Waterborne and solventborne protective coatings for infrastructure and marine environments.
| Chemical Type | Synthetic Iron Oxide (α-Fe₂O₃) |
| Product Form | Dry powder |
| Appearance | Free-flowing reddish-brown powder |
| Primary Applications | Coatings, plastics, construction materials |
| Key Features | UV stability, thermal resistance, low oil absorption |
| Benefits | Color consistency, easy dispersion, regulatory compliance |
| Storage Conditions | Store in dry, cool, well-ventilated area; protect from moisture |
| Regulatory Status | REACH registered; non-ELV restricted; no SVHCs above threshold |
Q1: What is the primary chemical composition of Hostatint UV Oxide Red B VP 5458?
A: This pigment is based on a modified iron oxide (Fe₂O₃) system, engineered with proprietary surface treatment to enhance UV stability and dispersion performance in demanding polymer matrices.
Q2: Is this pigment suitable for food-contact plastics?
A: Hostatint UV Oxide Red B VP 5458 is designed for use in polymers intended for non-food-contact applications. It is not certified for direct food-contact compliance under major global regulatory frameworks unless specifically validated by the end-user’s regulatory assessment.
Q3: How does this pigment perform under prolonged UV exposure compared to conventional iron oxide reds?
A: Thanks to its optimized crystal structure and protective surface modification, it delivers significantly improved resistance to UV-induced fading and chalking—particularly in outdoor polyolefin applications such as automotive trims and building profiles.
Q4: What types of polymer systems show optimal compatibility and dispersion with this pigment?
A: It demonstrates excellent compatibility and dispersion stability in polyolefins (PP, HDPE, LDPE), engineering thermoplastics like ABS and PS, and certain PVC formulations—especially when processed via extrusion or injection molding.
Q5: What is the typical dosage range for achieving full opacity and consistent shade in polypropylene?
A: Dosage depends on formulation requirements and desired opacity level, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in polypropylene—while maintaining excellent color strength and thermal stability during processing.
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E-mail: wangxingqiang@ericwchem.com
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