Alpha (non-flocculating) · Reddish blue
Pigment Blue 15:2
Non-flocculating Alpha Copper Phthalocyanine
CAS 147-14-8
The non-flocculating variant of alpha copper phthalocyanine, engineered for superior rheological behaviour in demanding coating systems. PB 15:2 maintains excellent colour consistency and gloss even in high-shear application processes, making it the preferred alpha-form grade for automotive refinish and high-performance industrial coatings.
Technical Specifications
| Property | Value |
|---|---|
| Molecular Formula | C₃₂H₁₆CuN₈ |
| Molecular Weight | 576.08 g/mol |
| Density | 1.52 g/cm³ |
| Specific Surface Area | 50–65 m²/g |
| Oil Absorption | 45–55 ml/100g |
| pH (10% suspension) | 6.5–8.5 |
| Moisture Content | ≤ 1.0% |
Fastness Ratings
| Property | Full shade | 1:1 with TiO₂ |
|---|---|---|
| Lightfastness | 8 | 8 |
| Weatherfastness | 5 | 5 |
Solvent Resistance
| Solvent | Rating (1–5) |
|---|---|
| Water | 5 |
| Ethanol | 5 |
| Ketones | 5 |
| Esters | 5 |
| Aromatic hydrocarbons | 5 |
Application Suitability
| Application | Suitable | Notes |
|---|---|---|
| Inks | — | Typically not used in inks |
| Coatings & Paints | ✓ | Automotive, industrial, powder coatings |
| Plastics | ✓ | Engineering resins |
| Textile Printing | — |
Regulatory Compliance
FDA 21 CFR 178.3297EN 71-3 (Toy Safety)RoHSREACHTSCAASTM F 963
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