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High chroma yellow shade with excellent color strength and clean greenish-yellow hue.
Outstanding thermal stability suitable for high-speed gravure and flexographic printing processes.
Good dispersibility in nitrocellulose and acrylic-based solvent systems.
Compliant with major global food packaging regulations including EU Plastics Regulation (EU) No 10/2011 and Swiss Ordinance SR 817.023.21.
Low volatile organic compound (VOC) content, supporting sustainable ink formulation strategies.
Flexible packaging inks for laminated films and pouches.
Food-grade gravure inks for paper and plastic substrates.
Label and folding carton inks requiring high gloss and print fidelity.
Security and pharmaceutical packaging inks where regulatory compliance is critical.
| Chemical Type | Azo pigment (disazo) |
| Product Form | Free-flowing powder |
| Appearance | Yellow to greenish-yellow powder |
| Primary Applications | Solvent-based gravure and flexo inks |
| Key Features | High transparency, good lightfastness, low migration potential |
| Benefits | Consistent batch-to-batch color reproducibility and process robustness |
| Regulatory Status | Compliant with FDA 21 CFR §178.3297 and EU Directive 2002/72/EC (as amended) |
Q1: What is the primary application field for Hostaprint Yellow GG 34 VP5284?
A: This pigment is specifically developed for high-performance gravure and flexographic printing inks used on packaging substrates, including paper, board, and certain flexible films where excellent print definition and lightfastness are required.
Q2: Is Hostaprint Yellow GG 34 VP5284 suitable for food-contact packaging applications?
A: It is designed to meet regulatory expectations for indirect food contact when formulated into compliant inks and used within validated process conditions; final compliance depends on the full ink formulation, substrate, and intended migration scenario — consultation with Clariant’s regulatory team is recommended prior to use.
Q3: How does this pigment perform in terms of heat stability and dispersion behavior?
A: Hostaprint Yellow GG 34 VP5284 exhibits good thermal stability up to typical ink drying and curing temperatures and demonstrates excellent dispersibility in common solvent-based and water-reducible gravure ink vehicles, supporting consistent color development and low-viscosity processing.
Q4: What is the typical dosage range when incorporating this pigment into printing inks?
A: Dosage depends on formulation requirements and desired opacity or chroma, but it is generally used at low concentrations — typically ranging from 0.1% to 2% by weight in the finished ink — with optimization guided by lab-scale dispersion trials and performance testing.
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E-mail: wangxingqiang@ericwchem.com
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