India Phthalocyanine Pigment Blue 15:4 - Brilliant Blue for Paint and Ink
India Phthalocyanine Blue 15:4 is a solvent-stable, copper-based pigment engineered through advanced ball milling technology to deliver intense chromaticity and robust performance in demanding applications. As a red-shaded variant within the phthalocyanine blue family (Color Index 15:3 classification), this A-type pigment exhibits a deep, rich hue that aligns with Asian three-primary-color specifications while demonstrating exceptional thermal resilience and chemical resistance.
Core Product Characteristics
Optical Performance:
The pigment’s unique phase-change synthesis via ball milling produces a stable crystalline structure (β-phase), achieving a red-toned blue shade with reflectance peaks at 460 nm (blue) and 640 nm (red) wavelengths. Its high tinting strength enables 94–96% color yield at 5% loading in full-shade applications, outperforming conventional phthalocyanines by 15–20% in chromatic intensity.
Durability Profile:
- Thermal Stability: Withstands sustained exposure to 250°C (ASTM D2481) without color shift or molecular degradation
- Lightfastness: Rated 7–8 on the Blue Wool Scale (ISO 105-B02), ensuring minimal fading under prolonged UV exposure
- Chemical Resistance: Impervious to alcohols, esters, and aliphatic hydrocarbons (tested per ASTM D1308)
Processing Properties:
While dispersion requires optimized milling due to inherent particle hardness (Mohs 2.5–3.0), the pigment delivers superior solvent compatibility, particularly in ketone- and xylene-based systems. Its controlled particle size distribution (D50: 0.7–1.2 μm via laser diffraction) balances opacity (85–90% at 20 μm film thickness) and gloss characteristics in solvent-borne formulations.
Application Expertise
Industrial Coatings:
- Automotive refinish systems requiring 250°C bake-dry cycles
- Marine coatings with salt spray resistance exceeding 1,000 hours (ASTM B117)
- Powder coatings for appliances meeting UL 94 V-0 flame retardancy
Printing Inks:
- Solvent-based flexographic inks for non-porous substrates (PE/PP films)
- Metal decorative inks with 200°C curing compatibility
- Gravure inks achieving 1.8–2.0 optical density at 12% pigment loading
Plastics & Polymers:
- PVC calendaring for synthetic leather (0.8–1.2% loading)
- Polyolefin masterbatches stable at 220–240°C extrusion temperatures
- Engineering resins (PA/ABS) with ΔE<1.5 after 1,500-hour weathering
Specialty Markets:
- Water-based architectural paints meeting VOC <50 g/L regulations
- Textile printing pastes with wash-fastness >ISO 105-C06 Class 4
- Artist-grade oil colors requiring ≤5% viscosity change over 24 months
Technical Specifications
- Color Index: C.I. Pigment Blue 15:4
- CAS No.: 147-14-8
- Molecular Formula: C₃₂H₁₆CuN₈
- Oil Absorption: 35–40 g/100g (ISO 787-5)
- pH Stability: 4–11 (ASTM E70)
- Bulk Density: 450–500 kg/m³ (ISO 697)
Formulation Guidelines
For Solvent Inks:
- Pre-disperse with 15–20% resin varnish (ethyl cellulose recommended)
- Mill to Hegman 7–10 μm (ASTM D1210) using zirconia beads
- Optimize flow with 0.5–1.0% silicone-based additives
In Coatings:
- Combine with 2–3% dispersants (polyurethane type, 50% active)
- Achieve ΔE<1.0 color matching via 0.2–0.4% toners
- Enhance weather resistance using 1–2% HALS stabilizers
Sustainability & Compliance
- REACH registered with full SVHC disclosure
- Contains <1 ppm PCBs, complying with ECO PASSPORT by OEKO-TEX®
- Manufacturing process reduces VOC emissions by 40% vs. traditional methods
Packaging & Storage
Supplied in 25 kg moisture-resistant kraft/PE multilayer bags with UV barriers. Store below 35°C at ≤65% RH for 24-month shelf life. Bulk quantities available in 500 kg FIBC containers with discharge spouts.
Technical Support
Manufacturers benefit from:
- Dispersion optimization protocols for challenging resin systems
- Accelerated aging simulations (QUV/ Xenon arc testing)
- Regulatory documentation packages for Asian and EU markets
India Phthalocyanine Blue 15:4 bridges the gap between intense coloration and industrial-grade resilience, offering formulators a cost-effective solution for applications demanding both visual impact and technical performance.
| Molecular weight | 576.07 |
| Molecular formula | c32h16 cun8 |
| PH value | 7.0-8.0 |
| Specific gravity | 1.8 |
| Oil absorption (ml/100g) | 35-45 |
| Lightfastness | 7 |
| Heat resistance | 230 |
| Water resistance | 5 |
| Oil resistance | 5 |
| Acid resistance | 5 |
| Alkali resistance | 5 |
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| Established | December 18, 2014 | ||
| Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
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About Beijing TDD E-commerce Co., Ltd.
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