High chroma yellow shade with excellent lightfastness and weather resistance.
Optimized for high transparency and strong tinting strength in demanding polymer systems.
Excellent thermal stability suitable for processing temperatures up to 280 °C.
Low volatility and minimal plate-out, ensuring consistent color performance in extrusion and injection molding.
Compliant with major global regulatory frameworks including EU REACH and FDA 21 CFR for applicable applications.
Polypropylene (PP) fibers and spunbond nonwovens for automotive and hygiene markets.
Polyethylene (PE) films used in packaging and agricultural applications.
Engineering plastics such as polyamide (PA) and polycarbonate (PC) for exterior components.
Masterbatch formulations for high-performance thermoplastic elastomers (TPE).
Color concentrates for food-contact-compliant rigid containers and closures.
| Chemical Type | Azo pigment (Benzimidazolone derivative) |
| Product Form | Free-flowing granular concentrate |
| Appearance | Yellow granules |
| Primary Applications | Polyolefins, engineering plastics, masterbatches |
| Key Features | High transparency, thermal stability, low migration |
| Benefits | Consistent coloration, reduced processing defects, regulatory compliance |
| Recommended Carrier | PP or PE-based carrier system |
| Storage Conditions | Store in dry, cool, well-ventilated area; avoid direct sunlight |
Q1: What is the primary application field for Hostatint Yellow HR 531 VP 6011?
A: This pigment is specifically developed for high-performance coloration of polyolefin-based packaging materials, including flexible films and rigid containers intended for food contact applications where excellent heat stability and low extractability are required.
Q2: How does this pigment perform during high-temperature processing such as injection molding or extrusion?
A: Hostatint Yellow HR 531 VP 6011 exhibits outstanding thermal stability, maintaining color integrity and minimal degradation when processed at typical polyolefin temperatures up to 260 °C, making it suitable for demanding melt-processing conditions.
Q3: Is this pigment compatible with masterbatch production in polypropylene and polyethylene carriers?
A: Yes — it is fully compatible with standard PP and LDPE/HDPE carrier resins used in masterbatch manufacturing, offering excellent dispersion and consistent color development without significant plate-out or filter clogging issues.
Q4: What is the typical dosage range when formulating color concentrates for packaging applications?
A: Dosage depends on the desired shade strength and final film thickness, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight in the final polymer matrix — due to its high tinting strength and efficient dispersion behavior.
Q5: Does this pigment meet regulatory requirements for food-contact applications in major global markets?
A: Hostatint Yellow HR 531 VP 6011 is manufactured under Clariant’s stringent quality and compliance management system and is designed to support compliance with relevant food-contact regulations in regions including the EU and North America, subject to final formulation validation and end-use conditions.
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