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High thermal stability suitable for demanding polymer processing conditions.
Excellent lightfastness and weather resistance in outdoor applications.
Good dispersibility in both polar and non-polar polymer matrices.
Low migration tendency, ensuring color consistency in food-contact and packaging films.
Compliant with major global regulatory frameworks including EU REACH and FDA 21 CFR §178.3297.
Polyolefin masterbatches for injection-molded consumer goods.
Flexible PVC compounds used in automotive interior trims.
Food-grade polyethylene (PE) and polypropylene (PP) packaging films.
Engineering plastics such as ABS and PS for electronic housings.
Industrial coatings requiring long-term UV stability and gloss retention.
| Chemical Type | Quinacridone derivative |
| Product Form | Fine powder |
| Appearance | Reddish-violet free-flowing powder |
| Primary Applications | Polyolefins, PVC, engineering thermoplastics, coatings |
| Key Features | Thermal stability up to 280 °C, low volatility, high tinctorial strength |
| Benefits | Consistent batch-to-batch color performance, minimal filter clogging in extrusion |
| Regulatory Compliance | EU REACH registered; compliant with FDA 21 CFR §178.3297 for polymer additives |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary chemical class and pigment type of Hostaperm H4G?
A: Hostaperm H4G is a high-performance perylene-based organic pigment, classified as a red-shade quinacridone derivative analogue. It belongs to the ISO Color Index Pigment Red 179 category and is valued for its exceptional lightfastness, thermal stability, and resistance to migration in demanding polymer applications.
Q2: In which polymer systems is Hostaperm H4G most commonly used?
A: This pigment is widely employed in engineering thermoplastics such as polyamide (PA6, PA66), polybutylene terephthalate (PBT), and polyethylene terephthalate (PET), especially where high processing temperatures and long-term color stability are required. It is also suitable for certain high-heat polyolefin compounds and masterbatches intended for automotive and electrical components.
Q3: How does Hostaperm H4G perform under high-temperature processing conditions?
A: Hostaperm H4G exhibits excellent thermal stability, maintaining color integrity and minimal degradation during melt processing up to approximately 300 °C for short residence times. Its robust molecular structure supports stable dispersion and reduced risk of blooming or plate-out in extrusion and injection molding processes.
Q4: Is Hostaperm H4G suitable for food-contact or regulatory-sensitive applications?
A: Hostaperm H4G is not certified for direct food-contact applications under major global regulatory frameworks (e.g., FDA 21 CFR, EU Plastics Regulation). It is intended for industrial, automotive, and technical applications where regulatory compliance for food contact is not required. Always consult Clariant’s latest regulatory documentation and conduct application-specific testing before use.
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