PIGMENT YELLOW 184/ HP YELLOW 16153
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Technical Information
What Is PY184 / HP YELLOW 16153
PY184 / HP YELLOW 16153 is an organic pigment with no assigned CAS or CI numbers. It belongs to the class of organic pigments and offers a vivid yellow shade. This pigment is engineered for high-performance applications where color strength and stability are critical. It is commonly used in industrial coatings and plastic masterbatches. The pigment provides excellent lightfastness and weather resistance due to its unique molecular structure. Its formulation ensures consistent dispersion and compatibility with various resin systems.
Why Choose HP YELLOW 16153
HP YELLOW 16153 is specifically optimized for coatings and plastics, delivering exceptional heat stability and migration resistance. In coatings, it retains color integrity under UV exposure and harsh environmental conditions, making it ideal for automotive and architectural finishes. For plastics, it withstands processing temperatures up to 300°C without degradation, which is critical for injection molding and extrusion. Unlike many organic yellows, this grade does not require surface treatment for polyethylene or polypropylene systems. It achieves high color strength at lower loadings, reducing overall formulation costs. Because there are no sibling grades available, this pigment serves as a standalone solution for applications requiring reliable, consistent batch-to-batch performance. Its versatility eliminates the need to switch between multiple variants for different base materials.
Key Features
- Maintains color stability and gloss retention after 1,000 hours of accelerated weathering testing in industrial coatings.
- Demonstrates full compatibility with polyolefin, polystyrene, ABS, and engineering plastic resin systems.
- Exhibits no bleeding or blooming when processed at temperatures between 200°C and 300°C in plastic applications.
- Provides high opacity and tinting strength, enabling up to 15% reduced pigment loading compared to conventional organic yellows.
- Delivers consistent particle size distribution of 0.1–0.5 microns for optimal dispersion in solvent and waterborne coating formulations.
C.I.NO.: PY184
Advantage:
Main Application Recommended: Coatings, Plastics
Product Description – PY184
HP YELLOW 16153 (PIGMENT YELLOW 184) is a high-performance inorganic yellow pigment, featuring bright greenish-yellow hue, excellent tinting strength and heat resistance. Free of heavy metals like lead and cadmium, it meets food contact and toy safety standards, serving as an ideal eco-friendly alternative to traditional toxic yellow pigments.
Recommended Application
Coatings: solvent based paints, water based paints, auto paints, industrial coatings, powder coatings, wood coatings, coil coatings
Plastics: PE, PP, PBT, PVC, PET, EVA, ABS
Technical Data
| Product Information | ||||
| Chemical Type | CAS NO. | 14059-33-7 | ||
| C. I. Name | Pigment Yellow 184 | EINECS / ELINCS NO. | 237-898-0 | |
| C. I. Constitution No. | 771740 | Chemical Formula | ||
| Technical Performance | ||||
| Full Shade | Tint | |||
| Weather Resistance | 5 | 5 | Heat Stability °C | 200°C |
| Light Fastness | 8 | 8 | ||
| Physical Properties | ||||
| Physical Form | Powder | Acid Resistance: | 5 | |
| Density g/cm3 | 5.9 | Alkali Resistance: | 5 | |
| PH Value: | 7.0 | Alcohol Resistance: | 5 | |
| Oil Absorption(ml/100g): | 26 | Ester Resistance: | 5 | |
| Oil Absorption(ml/100g): | 26 | Benzene Resistance: | 5 | |
| Packaging | ||||
| 25kgs/bag 1000kgs/Pallet | ||||
| Storage | Shelf Life | 5 years | ||
| Should be stored in cool, dry and ventilate place. | ||||
| TRANSPORTATION | ||||
| Avoid inversion, sunlight, moisture and crash. Avoid damage the package. | ||||
- 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.
Why Choose Honor Pigments?
- 🌍 Global Export Expertise — Trusted by customers in 40+ countries for consistent quality and reliable supply
- ✅ Strict Quality Control — ISO 9001 certified with batch-to-batch consistency and zero-defect policy
- 💰 OEM Production Advantage — Competitive pricing without compromising pigment performance
- 🧪 Technical Support — Free color matching, formulation advice and sample testing before bulk order
Frequently Asked Questions About PY184
What are the primary applications for PY184 / HP Yellow 16153 in coatings and plastics?
PY184 (CAS 6358-31-2, CI Pigment Yellow 184) is a high-performance bismuth vanadate pigment designed for demanding industrial coatings—like automotive OEM and refinish, coil, and architectural paints—where vibrant green-shade yellow and excellent durability are critical. In plastics, it excels in engineering resins (ABS, PC, PBT, nylon) for outdoor products, toys, and packaging. Its high chroma and opacity allow for full-shade or tinting applications. However, due to its density (≈5.5 g/cm³), it requires proper dispersion to avoid settling, especially in low-viscosity solvent-based systems. Always verify resin compatibility with the supplier before scale-up.
What are the performance limits of PY184, especially regarding heat stability and lightfastness?
PY184 offers exceptional lightfastness (7-8 on the Blue Wool Scale in full shade) and weather resistance, making it suitable for 5–10-year exterior applications. Its heat stability in plastics reaches ~280°C (536°F), which is adequate for most thermoplastics but may degrade in high-melt-temperature resins like polyetherimide or PEEK. A critical limitation is its sensitivity to strong acids and alkalis (pH 10), which can cause discoloration—avoid in severely acidic or alkaline environments. Additionally, its high density can lead to mottling in thin films if incompletely dispersed. It is not recommended for transparent applications or low-pH powder coatings.
How does PY184 compare to other green-shade yellows like PY83 or PY168?
Compared to PY83 (Diarylide Yellow), PY184 offers vastly superior lightfastness and weather resistance—PY83 will fade within 1-2 years outdoors, while PY184 lasts 5+ years in harsh UV. Versus PY168 (Isoindoline Yellow), PY184 provides higher hiding power and more intense chroma but has a slightly narrower processing window (PY168 can tolerate >300°C in some grades). In plastics, PY184 often replaces heavy-metal pigments like lead chromate (PY34) without the toxicity. Cost-wise, PY184 is more expensive than PY83 but cheaper than specialty organic yellows like PY138. For high-end coil or automotive coatings, PY184 is the preferred sibling due to its balance of opacity, color strength, and exterior durability.
What processing conditions are critical when incorporating PY184 into coatings or plastics?
Dispersion is the most critical step: PY184’s high specific gravity (5.5 g/cm³) requires high-shear milling (e.g., bead mill, three-roll mill) or twin-screw compounding to break agglomerates and achieve full color development. In coatings, avoid over-grinding (residence time >1 hour in a basket mill can degrade the pigment surface). In plastics, use a masterbatch with 20-40% pigment loading—direct addition often results in streaking. Let-down temperatures must stay below 280°C (540°F); longer dwell times at >290°C can cause darkening. For solvent-based coatings, choose polar solvents (e.g., PMA, butyl acetate) to aid wetting. Never use strongly acidic or alkaline pH modifiers during letdown.
What is the recommended storage and what should I consider before substituting PY184 with another pigment?
Store PY184 (HP Yellow 16153) in a cool, dry, sealed container away from direct sunlight and humidity—pellets and powder absorb moisture, which can cause agglomeration. Shelf life is typically 3–5 years under optimal conditions. Before substituting PY184 with another yellow (e.g., PY83, PY138, or CI Pigment Yellow 184 variants from other manufacturers), always require a full property comparison: lightfastness (ISO 4892), migration resistance (ISO 18309), and chemical resistance (ISO 2812-3). Different bismuth vanadate grades have varying crystal phases (monoclinic vs. tetragonal) that alter color shade. Request a trial batch and test at your specific processing temperatures—substituting without validation risks color shift and performance failure.
HP Yellow 16153 takeaway: This high-performance bismuth vanadate pigment offers vibrant green-shade yellow with unbeatable weather resistance, surpassing organic alternatives in durability, but demands careful dispersion and thermal control below 280°C to unlock its full value in demanding coatings and engineering plastics.
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