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High thermal stability suitable for demanding processing conditions up to 280 °C.
Excellent lightfastness and weather resistance in outdoor applications.
Good migration resistance in PVC, polyolefins, and engineering plastics.
Consistent batch-to-batch color reproducibility and high tinctorial strength.
Compliant with major global regulatory frameworks including REACH and FDA 21 CFR for selected applications.
Coloration of rigid and flexible PVC profiles, films, and cables.
Pigmentation of polypropylene (PP) and polyethylene (PE) injection-molded parts.
Automotive interior plastics requiring long-term UV stability.
Industrial coatings and powder coatings where heat resistance is critical.
Masterbatch production for general-purpose thermoplastics.
| Chemical Type | Condensed Azo Pigment |
| Product Form | Free-flowing powder |
| Appearance | Orange-red free-flowing powder |
| Primary Applications | PVC, PP, PE, PS, ABS, engineering plastics |
| Key Features | High thermal stability, excellent lightfastness, low volatility |
| Benefits | Enhanced color consistency, reduced plate-out, improved processing safety |
| Regulatory Status | REACH registered; compliant with EU Directive 2002/72/EC for food-contact plastics (subject to specific conditions) |
Q1: What are the primary application areas for Hostaperm Orange GR and Co... Pigment?
A: This high-performance organic pigment is widely used in demanding industrial applications including automotive coatings, coil coatings, and high-end plastics—particularly where excellent lightfastness, thermal stability, and weather resistance are required. It is also suitable for selected ink systems requiring strong orange hue and good dispersibility.
Q2: How does Hostaperm Orange GR compare to standard azo orange pigments in terms of durability?
A: As a member of Clariant’s Hostaperm® high-stability pigment family, Hostaperm Orange GR offers significantly improved lightfastness, heat stability, and chemical resistance compared to conventional mono-azo orange pigments. Its robust molecular structure enables reliable performance in applications exposed to elevated processing temperatures or prolonged UV exposure.
Q3: Is this pigment suitable for use in food-contact plastics?
A: Hostaperm Orange GR and Co... Pigment is not approved for direct food-contact applications under current global regulatory frameworks. It is intended for non-food-contact industrial uses. For any food-contact scenario, a dedicated, fully compliant pigment grade must be selected and validated per applicable regional requirements.
Q4: What dispersion guidance should be followed during formulation?
A: Optimal dispersion typically requires high-shear mixing with appropriate wetting agents and stabilizers tailored to the base resin or vehicle. Dosage depends on formulation requirements, but the pigment is generally used at low concentrations—typically ranging from 0.1% to 2% by weight—to achieve target chroma and opacity without compromising rheology or film integrity.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
