High thermal stability suitable for demanding processing conditions up to 280 °C.
Excellent lightfastness and weather resistance in outdoor applications.
Superior dispersibility in both solvent-based and water-based coating systems.
Good migration resistance in polyolefin and PVC compounds.
Consistent batch-to-batch color strength and hue reproducibility.
Automotive coatings (basecoats and clearcoats).
Industrial coil and can coatings.
Plastic coloration for rigid packaging and technical parts.
Printing inks for flexible packaging and labels.
Architectural and decorative wall paints.
| Chemical Type | Quinacridone derivative |
| Product Form | Free-flowing powder |
| Appearance | Red-violet fine powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High chroma, excellent opacity, low volatility |
| Benefits | Reduced formulation complexity, extended service life of finished products |
| Regulatory Compliance | REACH registered; compliant with FDA 21 CFR §178.3297 for indirect food contact |
Q1: What is the primary application difference between Hostaperm Red E3B and the Coat... variant?
A: Hostaperm Red E3B is a high-performance organic pigment designed for demanding industrial coating and plastic applications requiring excellent heat stability and lightfastness. The Coat... variant refers to a surface-treated or dispersion-optimized grade specifically engineered for enhanced compatibility and rheological behavior in liquid coating systems, such as automotive refinish or industrial coil coatings.
Q2: Is this pigment suitable for food-contact plastics or packaging inks?
A: Hostaperm Red E3B and its Coat... derivatives are not pre-approved for direct food-contact applications. Their use in food packaging or articles intended for food contact requires full regulatory assessment by the formulator—including migration testing and compliance verification against applicable regional regulations (e.g., FDA 21 CFR, EU Framework Regulation (EC) No 1935/2004). Clariant provides supporting documentation upon request to facilitate such evaluations.
Q3: How does Hostaperm Red E3B perform under high-temperature processing conditions?
A: This pigment exhibits good thermal stability, making it suitable for medium-to-high temperature polymer processing—such as polyolefin compounding and engineering thermoplastics—where peak temperatures typically range up to 260–280 °C. Performance may vary depending on residence time, shear history, and resin matrix, so process optimization is recommended during initial trials.
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