PIGMENT BLUE 15:0/ HP BLUE 43143

What Is PB15:0 / HP BLUE 43143

With the CAS number 147-14-8 and CI number Pigment Blue 15:0, this product is an organic pigment classified as type alpha copper phthalocyanine. PB15:0 is characterized by its bright, reddish-blue shade and high tinting strength. As a standard form of phthalocyanine blue, it offers excellent basic fastness properties suitable for a wide range of coloring applications, providing a cost-effective entry-level blue solution for many industrial formulations.

Why Choose HP BLUE 43143

HP BLUE 43143 is specifically optimized as a high-performance grade for plastics applications, delivering superior dispersion in polyolefin and engineering resin systems. Unlike standard PB15:0 grades, this variant exhibits enhanced heat stability up to 280°C, ensuring color consistency during high-temperature processing without degradation. Its tailored particle size distribution minimizes warpage in HDPE and PP molded parts, a critical advantage over conventional blue pigments. When compared to beta-phase PB15:3 or red-shade PB15:1, the alpha crystal form of this grade provides a distinctly redder, brighter hue ideal for cost-sensitive masterbatch production. The anionic surface treatment improves compatibility with polar plastics, reducing screw slippage during extrusion. For masterbatch producers seeking reliable blue tones with minimal process interference, HP BLUE 43143 offers an optimal balance of economy and thermal performance, outperforming generic PB15:0 in demanding plastic molding and film applications.

Key Features

• Delivers exceptionally high tinting strength at low loading levels in polyethylene and polypropylene masterbatches.
• Maintains color stability and thermal resistance up to 280°C during injection molding and extrusion processes.
• Exhibits excellent dispersibility in plastic matrices, reducing the need for multiple extrusion passes.
• Provides a bright, reddish-blue shade with high saturation and consistent batch-to-batch color.
• Offers good lightfastness and weathering resistance for durable outdoor plastic applications.

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C.I.NO.: PB15:0

Advantage:

Main Application Recommended: Plastics

Product Description – PB15:0

HP BLUE 43143 (PIGMENT BLUE 15:0) has complete migration fastness and excellent lightfastness in plasticized PVC, works for polyethylene (processed below 200°C) and moderate-temperature-processed PVC. It is also usable in PUR foam materials and rubber, broadening its plastic-related applications.

Recommended Application：

Plastics: PP, PVC, PS/SAN, ABS, PA

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”

Disclaimer — This Technical Data Sheet reflects our best understanding of typical product properties at the time of publication. Listed values are representative of standard production and are not intended as specifications, contractual parameters, or fitness guarantees. Batch variations within normal manufacturing tolerances may occur; users should verify critical parameters against their own requirements before use. Processing methods, formulations, and end-use environments are beyond the manufacturer’s control. The buyer assumes full responsibility for confirming product suitability through its own testing and quality assurance. No intellectual property license is granted or implied. All warranties are disclaimed, including merchantability and fitness for a particular purpose. The manufacturer is not liable for incidental, consequential, or special damages. All sales are governed by the manufacturer’s standard terms, available upon request. This product may contain particles below 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 PB15:0 / HP BLUE 43143

What specific plastic applications is PB15:0 / HP BLUE 43143 best suited for?

PB15:0, specifically the high-performance grade HP BLUE 43143, is optimized for engineering plastics and high-temperature resin systems. It excels in ABS, polycarbonate (PC), polyamides (nylon), and polystyrene (PS) where standard copper phthalocyanine blues may degrade. This grade offers excellent heat stability up to 300°C (572°F), making it ideal for injection-molded automotive parts, electronic housings, and durable consumer goods. Its high color strength means lower loading levels achieve deep, clean blues without sacrificing mechanical properties, and it maintains strong lightfastness in indoor and semi-outdoor applications. For flexible PVC or low-temperature polyolefins, a standard PB15:3 may be more cost-effective, but for demanding engineering resins, HP BLUE 43143 is the reliable choice.

What are the key performance limitations of HP BLUE 43143 in plastics, particularly regarding warpage and dispersion?

HP BLUE 43143 (beta-phase copper phthalocyanine) is known to cause warpage in semi-crystalline polymers like HDPE and polypropylene (PP) due to its anisotropic crystal structure. The pigment particles align during flow, creating differential shrinkage that leads to part distortion, especially in thin-wall injection molding. Additionally, PB15:0 has a strong tendency to agglomerate; poor dispersion results in specks, streaks, or reduced color strength. To mitigate warpage, use a specialty “warp-free” grade or blend with organic pigments like PB15:3 or dioxazine violet. For dispersion, always use high-shear mixing (e.g., twin-screw extrusion) with suitable dispersing aids (waxes or stearates) and avoid over-drying the resin. Pre-dispersed masterbatches are strongly recommended for critical applications.

How does PB15:0 / HP BLUE 43143 compare to its sibling grades, PB15:1 and PB15:3, for plastics use?

PB15:0 is the beta-crystal form (red shade blue), while PB15:1 is the alpha-crystal form (green shade blue) stabilized against flocculation, and PB15:3 is the beta-crystal form with improved dispersion and lower cost. HP BLUE 43143 offers the highest heat stability and solvent resistance among PB15 variants, but is less chemically stable than PB15:1 in aggressive solvent systems. Compared to PB15:3, HP BLUE 43143 provides a slightly redder hue and superior resistance to color shift during prolonged high-temperature processing. However, PB15:3 is easier to disperse and costs 15-25% less, making it preferable for general-purpose polyolefins. Choose HP BLUE 43143 when opacity, heat stability above 280°C, or resistance to blooming in polyamides is critical; choose PB15:3 for cost-sensitive, lower-temperature applications.

What are the recommended processing conditions and dosages for HP BLUE 43143 in injection molding and extrusion?

For injection molding, use a melt temperature range of 220-290°C, with a maximum 300°C for short dwell times. In extrusion (film or sheet), keep melt temperature between 210-260°C to avoid thermal degradation. Typical dosage for HP BLUE 43143 is 0.5-2.0% by weight for full shade, and 0.1-0.5% for tinting. Because of its high color strength, start at the lower end and adjust. Always use a backflow screw design for injection molding to minimize dead zones where the pigment can degrade. For masterbatch production, combine HP BLUE 43143 with a compatible carrier resin (e.g., LDPE or SAN) and process at 180-220°C with high shear. Pre-drying the pigment (2-4 hours at 80°C) improves flow and reduces moisture-induced defects in hygroscopic resins like nylon.

How should HP BLUE 43143 be stored, and can it substitute for other phthalocyanine blues in a pinch?

Store HP BLUE 43143 in a cool, dry place (below 35°C) in sealed, opaque containers. It is hygroscopic and may agglomerate if exposed to humidity above 60% RH for extended periods. Shelf life is typically 2-3 years under proper conditions. As a substitute, HP BLUE 43143 can replace PB15:1 or PB15:3 in many applications, but you must adjust for color shift: PB15:0 is redder than PB15:3 (greener) and PB15:1 (greener and more transparent). In polyolefins, expect increased warpage risk compared to PB15:3. You may also need to increase dosage by 10-20% to match opacity if replacing a green shade blue. Always run a trial to confirm heat stability and dispersion, especially in food-contact or UL-rated parts where exact specifications matter.

HP BLUE 43143 takeaway: This high-performance beta-phase phthalocyanine blue delivers exceptional heat stability and color strength for engineering plastics, though it demands careful dispersion and is prone to warpage in crystalline resins—making it the go-to choice for demanding, high-temperature applications over standard blue pigments.

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