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High chroma and excellent color strength for vibrant, consistent red shades.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good dispersibility in both aqueous and solvent-based systems without requiring additional surfactants.
Excellent lightfastness (ISO 105-B02: Grade 7–8) and weather resistance for long-term outdoor performance.
Compliant with major global regulatory frameworks including EU REACH and US FDA 21 CFR §178.3297 for food-contact applications.
Automotive coatings requiring high durability and gloss retention.
Industrial powder coatings for metal furniture, appliances, and architectural profiles.
Plastic coloration of polyolefins (PP, PE), ABS, and engineering polymers.
High-performance inks for flexible packaging and label printing.
Specialty masterbatches for food-grade and medical-grade polymer applications.
| Chemical Type | Azo pigment (Benzimidazolone derivative) |
| Product Form | Fine free-flowing powder |
| Appearance | Reddish-brown powder |
| Primary Applications | Coatings, plastics, inks |
| Key Features | Thermally stable, lightfast, dispersible, regulatory compliant |
| Benefits | Consistent hue, low dust generation, high tinctorial strength |
| Recommended Processing Temperature Range | Up to 280 °C (short-term) |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary application field for Graphtol Red HF2B?
A: Graphtol Red HF2B is specifically developed for high-performance gravure and flexographic inks used in packaging applications, particularly where excellent gloss, transparency, and lightfastness are required on films and coated papers.
Q2: Is Graphtol Red HF2B suitable for food-contact packaging inks?
A: Yes — Graphtol Red HF2B is designed to meet stringent regulatory expectations for indirect food contact applications when formulated and processed according to good manufacturing practices; final compliance depends on the complete ink system and intended use conditions.
Q3: How does HF2B differ from other Graphtol Red grades?
A: HF2B offers enhanced dispersibility in nitrocellulose- and acrylic-based ink systems, improved rheological stability in low-viscosity formulations, and superior batch-to-batch color consistency compared to earlier Graphtol Red variants intended for solvent-based gravure.
Q4: What solvents or resin systems show optimal compatibility with HF2B?
A: HF2B demonstrates excellent compatibility with common solvent-based ink vehicles including ethyl acetate, propylene glycol monomethyl ether acetate (PGMEA), and toluene-free blends, as well as with nitrocellulose, acrylic, and polyamide resins typically used in flexible packaging inks.
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E-mail: wangxingqiang@ericwchem.com
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