PIGMENT YELLOW 13/ HP YELLOW 1454

What Is PY13 / HP YELLOW 1454

PY13 (Pigment Yellow 13) is an organic diarylide disazo pigment. Its chemical structure provides a bright, green-shade yellow with high chromaticity and strong opacity. Within the diarylide yellow family, PY13 is positioned as a workhorse pigment for cost- and performance-sensitive applications, balancing tinting strength and application versatility across offset inks, water-based inks, and plastics.

Why Choose HP YELLOW 1454

HP YELLOW 1454 is a specific PY13 grade engineered for how it functions in three distinct application environments. In water-based inks, the pigment’s particle surface chemistry is optimized for wetting and dispersion stability in aqueous systems, directly supporting the noted high color strength without blotchiness. For offset inks, the grade delivers good gloss by maintaining tight particle size distribution that aligns with the thin ink film requirements of lithographic printing, preventing matte finishes. In plastics, HP YELLOW 1454 processes without plate-out or bloom during injection molding, ensuring uniform coloration in polyethylene and polypropylene. The combination of these tailored surface properties gives converters a single pigment that performs reliably across water-based, solvent-based (offset), and thermoplastic matrices, eliminating the need to stock multiple metallized versions.

Key Features

• In water-based inks, the pigment exhibits excellent dispersibility that prevents nozzle clogging in flexographic and gravure printing presses.
• For offset inks, the narrow particle size distribution of HP YELLOW 1454 reduces light scattering, producing a high-gloss finish on coated paper stocks.
• During plastic masterbatch production, the pigment maintains stable heat resistance up to processing limits without shifting toward a duller red or green shade.
• The pigment’s solvent resistance in offset ink formulations prevents color bleeding when overprinted with varnish or coating fluids.
• In water-based ink systems, the surface treatment of HP YELLOW 1454 minimizes foam generation during high-speed dispersion, enabling faster batch cycle times.

What Is PY13 / HP YELLOW 1454

PY13 (Pigment Yellow 13) is an organic diarylide disazo pigment. Its chemical structure provides a bright, green-shade yellow with high chromaticity and strong opacity. Within the diarylide yellow family, PY13 is positioned as a workhorse pigment for cost- and performance-sensitive applications, balancing tinting strength and application versatility across offset inks, water-based inks, and plastics.

Why Choose HP YELLOW 1454

HP YELLOW 1454 is a specific PY13 grade engineered for how it functions in three distinct application environments. In water-based inks, the pigment’s particle surface chemistry is optimized for wetting and dispersion stability in aqueous systems, directly supporting the noted high color strength without blotchiness. For offset inks, the grade delivers good gloss by maintaining tight particle size distribution that aligns with the thin ink film requirements of lithographic printing, preventing matte finishes. In plastics, HP YELLOW 1454 processes without plate-out or bloom during injection molding, ensuring uniform coloration in polyethylene and polypropylene. The combination of these tailored surface properties gives converters a single pigment that performs reliably across water-based, solvent-based (offset), and thermoplastic matrices, eliminating the need to stock multiple metallized versions.

Key Features

• In water-based inks, the pigment exhibits excellent dispersibility that prevents nozzle clogging in flexographic and gravure printing presses.
• For offset inks, the narrow particle size distribution of HP YELLOW 1454 reduces light scattering, producing a high-gloss finish on coated paper stocks.
• During plastic masterbatch production, the pigment maintains stable heat resistance up to processing limits without shifting toward a duller red or green shade.
• The pigment’s solvent resistance in offset ink formulations prevents color bleeding when overprinted with varnish or coating fluids.
• In water-based ink systems, the surface treatment of HP YELLOW 1454 minimizes foam generation during high-speed dispersion, enabling faster batch cycle times.

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C.I.NO.: PY13

Advantage:  Good gloss, High color strength

Main Application Recommended: WWWWater$1sed inks, offset inks, plastics

Product Description –

HP Yellow 1454 (Pigment Yellow 13 ) is a vibrant mid-shade diarylide yellow pigment. This cost-effective pigment is characterized by its high color strength, fresh and vivid hue, and excellent gloss. It is widely utilized in high-volume wWWWWWater$1sed ink applications, delivering consistent, high-quality results for vibrant and durable prints, and also used for plastic industries.

Recommended Application：

Coatings: industrial paints
plastics: PVC, EVA
Printing inks: offset inks, wWWWWWater$1sed inks

Technical Data:

• Light fastness: Light fastness rating is assessed on 1 to 8 Blue Wool scale where 1 = ‘Poor’ and 8 = ‘Excellent’.
• Heat Stability : Heat stability values given indicate the maximum temperature at which the pigment can be stoved for 10 min. on the full shade and in reductions without undergoing any significant change in shade.
• Oil absorption: The oil absorption is determined on the basis of EN ISO 787-5 and given in g linseed oil per 100 gm. pigment.
• Solvent bleeding: The bleeding in solvents is tested using the powder grades and the visual rating given on 1 to 5 Grey scale
  where 1 = ‘Heavy bleeding’ and 5 = ‘No bleeding”

Technical Note — The data and recommendations provided are based on HONOR Pigment’s internal testing and manufacturing experience. They are offered in good faith to assist customers in evaluating product suitability for their specific applications. As processing conditions, formulations, and end-use requirements vary widely, customers should conduct their own validation under actual use conditions. HONOR Pigment makes no warranties, express or implied, regarding the accuracy of this information or its fitness for any particular purpose. Nothing herein shall be construed as a license or recommendation to infringe any patent. HONOR Pigment’s standard terms and conditions of sale apply.oduct contains particles < 0.1 μm. Any user of this product is responsible for determining the suitability of Honor Pigments’s products for its particular application & to ensure that any proprietary rights & existing laws & legislation are observed.

Frequently Asked Questions About PIGMENT YELLOW 13

How does HP YELLOW 1454 (PY13) compare to Pigment Yellow 12 or 14 in offset ink formulations?

HP YELLOW 1454 is a diarylide yellow (PY13) offering a greener, slightly more reddish shade than PY12, while being stronger and more transparent than PY14. In offset inks, PY13 provides superior heat stability during drying compared to PY12, reducing the risk of color shift on press. It also delivers better solvent resistance than PY14, making it ideal for high-speed sheet-fed and heat-set web offset applications. The balance of transparency and tinctorial strength allows for cleaner overprints with cyan and magenta. Takeaway: HP YELLOW 1454 optimizes color strength and heat stability specifically for demanding offset processes where PY12 might fail.

Is HP YELLOW 1454 (PY13) compatible with water-based ink systems for flexo and gravure?

Yes, HP YELLOW 1454 (PY13) is specifically formulated for water-based ink systems. It exhibits excellent dispersion stability in acrylic and polyurethane resin binders, which is critical for flexographic and gravure printing on paper and board. Unlike some pigment yellows that agglomerate over time, this grade maintains consistent viscosity and prevents settling during long press runs. However, it is not recommended for aqueous systems with extreme pH levels below 8.0 or above 9.5, as that may destabilize the pigment. Takeaway: HP YELLOW 1454 is a reliable workhorse for water-based inks, provided pH is maintained within standard ranges.

What are the long-term storage and shelf-life expectations for HP YELLOW 1454 (PY13) in plastic masterbatch applications?

When stored in a cool, dry environment below 30°C, HP YELLOW 1454 (PY13) retains its performance characteristics for at least 24 months in sealed containers. In plastic applications, this grade demonstrates excellent thermal stability up to 240°C, making it suitable for polyolefin and PVC masterbatches. However, prolonged storage in humid conditions can cause caking due to moisture absorption, which reduces dispersion quality during compounding. Always re-test moisture content if stored beyond 12 months. Takeaway: HP YELLOW 1454 preserves color consistency and dispersion over two years under proper conditions, avoiding typical degradation seen with less stable diarylide yellows.

Will HP YELLOW 1454 (PY13) bleed or migrate in plasticized PVC or polyethylene?

HP YELLOW 1454 (PY13) offers low migration and good bleed resistance in rigid and semi-rigid PVC, as well as in polyethylene systems without plasticizers. In heavily plasticized formulations (e.g., soft PVC with >30% DOP), some surface migration can occur at elevated temperatures or under prolonged UV exposure. For critical food-contact or medical applications where no migration is allowed, we recommend specifying a chemical-grade PY13 variant. In general-purpose plastics, this grade performs reliably without staining adjacent materials. Takeaway: HP YELLOW 1454 is safe for most industrial plastic applications; always verify with your specific plasticizer level before full-scale production.

How does HP YELLOW 1454 (PY13) perform in terms of lightfastness for outdoor offset or plastic signage?

PY13 is inherently a medium-performance diarylide yellow with fair lightfastness—typically rated 4-5 on the Blue Wool scale—which limits its use in long-term outdoor applications. HP YELLOW 1454 is optimized for interior prints, packaging, and consumer goods where UV exposure is minimal. For outdoor signage or automotive plastics, consider switching to a performance yellow like PY83 or PY110. However, in water-based and offset inks for short-lived corrugated or folding carton, its cost-efficiency and color strength are unmatched. Takeaway: HP YELLOW 1454 excels in indoor and semi-durable applications; do not spec it for exterior use without an overprint varnish.

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