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High chroma and excellent color strength for vivid, consistent red shades.
Outstanding thermal stability suitable for high-speed gravure and flexographic printing processes.
Good dispersibility in solvent-based and water-based ink systems without requiring excessive grinding.
Complies with major global food-contact regulations including EU Directive 2002/72/EC and Swiss Ordinance SR 817.023.21.
Low volatile organic compound (VOC) contribution, supporting sustainable ink formulation goals.
Flexible packaging inks for laminated films and pouches.
Label inks used in pressure-sensitive and shrink sleeve applications.
Publication gravure inks for high-volume magazine and catalog printing.
Decorative paper inks for gift wrap, wallpaper, and laminated board.
| Chemical Type | Azo pigment (Pigment Red 170) |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown free-flowing powder |
| Primary Applications | Gravure and flexographic inks |
| Key Features | High color strength, good lightfastness, thermal stability up to 180 °C |
| Benefits | Consistent print quality, low dust generation, easy handling in automated dosing systems |
| Regulatory Compliance | EU Plastics Regulation (EU) No 10/2011 compliant for food-contact inks (subject to migration testing) |
Q1: What is the primary application field for Hostaprint Red D3G 34 VP5289?
A: This pigment is specifically engineered for high-performance gravure and flexographic printing inks used on flexible packaging substrates, including polyolefins, PET, and metallized films, where excellent gloss, transparency, and print definition are required.
Q2: Is Hostaprint Red D3G 34 VP5289 suitable for food-contact packaging applications?
A: Yes — it is formulated to meet stringent regulatory expectations for indirect food contact in printing inks, subject to compliance with applicable regional requirements and proper ink formulation practices. Final compliance depends on the complete ink system and intended migration conditions.
Q3: How does this pigment perform in terms of heat stability during printing?
A: Hostaprint Red D3G 34 VP5289 demonstrates robust thermal stability under typical rotary printing conditions, supporting consistent color development and minimal degradation even at elevated drying temperatures commonly encountered in high-speed gravure and flexo operations.
Q4: What dispersion characteristics should be expected in solvent-based ink systems?
A: The pigment exhibits good wettability and dispersibility in common aromatic and aliphatic hydrocarbon solvents, as well as ester- and ketone-based vehicles. Optimal dispersion typically requires standard high-shear milling or bead-milling processes, with stabilization achieved using compatible resin systems.
Q5: Can this pigment be used in combination with other Hostaprint series pigments?
A: Yes — it is fully compatible with other pigments from the Clariant Hostaprint range, enabling broad color gamut formulation and predictable hue mixing behavior without adverse interactions or flocculation risks when properly stabilized.
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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
