High chroma and excellent color strength for vibrant, consistent red shades.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good lightfastness and weather resistance in demanding outdoor applications.
Excellent dispersibility in both polar and non-polar polymer matrices.
Low volatility and minimal extractables—compliant with stringent regulatory requirements for packaging and consumer goods.
Polyolefin fibers and spunbond nonwovens for hygiene and medical products.
Injection-molded polypropylene (PP) and polyethylene (PE) parts including automotive interior components.
Masterbatch formulations for food-contact-compliant plastic packaging films.
Engineering plastics such as ABS and PS for durable consumer electronics housings.
Thermoplastic elastomers (TPE) requiring high heat stability during extrusion and calendering.
| Chemical Type | Quinacridone derivative |
| Product Form | Free-flowing powder |
| Appearance | Red-violet fine powder |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | High thermal stability, excellent dispersion, low extractables |
| Regulatory Compliance | EU REACH registered; compliant with FDA 21 CFR §178.3297 (for polymers) |
| Particle Size (D50) | 0.15–0.25 µm |
| Heat Stability | Up to 280 °C (20 min, air) |
Q1: What is the primary chemical class and pigment type of Hostaperm Red E5B 02?
A: Hostaperm Red E5B 02 is a high-performance perylene-based organic pigment, classified under the Pigment Red 149 family. It exhibits excellent thermal stability, lightfastness, and resistance to migration in demanding polymer systems.
Q2: In which polymer matrices is this pigment most commonly used?
A: It is widely employed in engineering thermoplastics such as polyamide (PA6, PA66), polybutylene terephthalate (PBT), and polyethylene terephthalate (PET), especially where high-temperature processing and long-term color stability are required.
Q3: Is Hostaperm Red E5B 02 suitable for food-contact applications?
A: This pigment is not pre-approved for direct food-contact use under major global regulatory frameworks. Its suitability must be evaluated case-by-case based on final formulation, processing conditions, and applicable regional regulations — consultation with Clariant’s regulatory team is recommended prior to use in such applications.
Q4: How does its dispersion behavior compare to other high-performance red pigments?
A: Hostaperm Red E5B 02 demonstrates good dispersibility in molten polymers and offers consistent color development with low agglomeration tendency when processed using standard compounding equipment. Optimal dispersion typically requires appropriate shear history and carrier resin selection.
Q5: What are key handling considerations during storage and processing?
A: Store in a cool, dry place away from direct sunlight and moisture. Avoid prolonged exposure to high humidity, as it may affect flowability and dispersion consistency. During processing, ensure adequate ventilation and follow standard industrial hygiene practices for fine organic pigments.
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