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High chroma yellow pigment dispersion with excellent lightfastness and thermal stability.
Optimized for water-based inkjet inks, offering superior jetting reliability and nozzle stability.
Low ionic content and minimal surfactant migration, ensuring compatibility with demanding ink formulations.
Consistent batch-to-batch color reproducibility and rheological performance.
Free of heavy metals and REACH-compliant for sustainable industrial use.
Digital textile printing inks (e.g., direct-to-fabric and transfer printing).
Commercial and industrial wide-format inkjet inks for signage and décor.
Functional ink systems requiring high color strength and aqueous stability.
Decorative paper and board coating applications.
UV-curable and hybrid ink formulations where pigment compatibility is critical.
| Chemical Type | Organic pigment dispersion (Pigment Yellow 154) |
| Product Form | Liquid color paste (aqueous) |
| Appearance | Homogeneous, viscous yellow liquid |
| Primary Applications | Water-based inkjet inks for textiles and graphics |
| Key Features | High transparency, low viscosity, excellent dispersion stability |
| Benefits | Reduced clogging risk, improved print quality, simplified ink formulation |
| pH (25 °C) | 7.5–8.5 |
| Storage Stability | ≥12 months at 5–30 °C (unopened) |
Q1: What is the primary application field for HOSTAJET YELLOW O-PT Color Paste?
A: HOSTAJET YELLOW O-PT is specifically developed for coloring water-based inkjet inks used in industrial digital printing applications, including packaging, labels, and decorative substrates. It is optimized for compatibility with common aqueous inkjet systems requiring high chroma, good dispersion stability, and low nozzle clogging tendency.
Q2: Is this color paste suitable for food-contact printing applications?
A: HOSTAJET YELLOW O-PT is not pre-approved for direct food-contact applications. Its suitability for such uses depends on final formulation compliance, migration testing, and regulatory assessment by the ink manufacturer or end user. Clariant recommends consulting local regulatory requirements and conducting appropriate safety evaluations before use in food packaging inks.
Q3: How should HOSTAJET YELLOW O-PT be incorporated into an ink formulation?
A: The paste is designed for direct addition to aqueous ink vehicles under controlled shear mixing. Pre-dilution with compatible co-solvents may be required depending on viscosity and formulation rheology. Dosage typically ranges from 0.1% to 2% by weight of the final ink, depending on desired shade strength and substrate requirements.
Q4: Does HOSTAJET YELLOW O-PT contain heavy metals or restricted aromatic amines?
A: HOSTAJET YELLOW O-PT is formulated without intentionally added heavy metals (e.g., lead, cadmium, mercury, hexavalent chromium) and does not contain aromatic amines listed under AZO dye regulations. It complies with Clariant’s internal Restricted Substances List (RSL), which aligns with major global chemical stewardship expectations for industrial ink colorants.
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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
