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High thermal stability suitable for demanding processing conditions up to 280 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 and ISO 105-A02 standards.
Outstanding solvent resistance in aromatic and aliphatic hydrocarbons, ketones, and esters.
Good dispersibility in both polar and non-polar polymer matrices without requiring specialized dispersants.
Low volatility and negligible migration in PVC, polyolefins, and engineering thermoplastics.
Polyvinyl chloride (PVC) profiles and window frames.
Polypropylene (PP) and polyethylene (PE) injection-molded automotive interior parts.
Engineering plastics including ABS and polycarbonate for consumer electronics housings.
Masterbatch formulations for food-contact-compliant packaging films.
Industrial coatings requiring high chroma and long-term color retention.
| Chemical Type | Chlorinated phthalocyanine derivative |
| Product Form | Free-flowing powder |
| Appearance | Green crystalline powder with bluish undertone |
| Primary Applications | Polymer coloring, industrial coatings, masterbatches |
| Key Features | Thermal stability, solvent resistance, low migration |
| Benefits | Consistent coloration, process robustness, regulatory compliance |
| Regulatory Status | Compliant with EU REACH, FDA 21 CFR §178.3297 (for indirect food contact) |
| Storage Conditions | Store in cool, dry place; protect from moisture and direct sunlight |
Q1: What is the primary chemical class of Solvaperm Green GSB?
A: Solvaperm Green GSB is a high-performance, solvent-stable phthalocyanine-based green pigment, specifically engineered for demanding liquid and paste applications requiring excellent chromatic strength and thermal stability.
Q2: Is Solvaperm Green GSB suitable for food-contact inks or coatings?
A: Solvaperm Green GSB is not certified for direct food-contact applications. It is intended for industrial and decorative uses where regulatory compliance for food contact is not required; users must conduct their own regulatory assessment based on final formulation and end-use conditions.
Q3: Which solvent systems demonstrate optimal dispersion stability with this pigment?
A: Solvaperm Green GSB shows excellent compatibility and dispersion stability in aromatic and aliphatic hydrocarbon solvents, ketones (e.g., MEK, MIBK), and ester-based systems; performance in highly polar or protic media (e.g., alcohols, glycols) may require tailored dispersant support.
Q4: How does Solvaperm Green GSB compare to conventional copper phthalocyanine greens in terms of migration resistance?
A: Due to its optimized molecular structure and surface treatment, Solvaperm Green GSB exhibits significantly reduced tendency toward migration in polymer films and solvent-borne coatings compared to standard unmodified copper phthalocyanine pigments—particularly under elevated temperature or prolonged storage conditions.
Q5: What is the typical dosage range when formulating high-solids gravure or flexo inks?
A: Dosage depends on formulation requirements and desired opacity/strength, but Solvaperm Green GSB is typically used at low concentrations—generally ranging from 0.1% to 2% by weight in finished ink systems—to achieve strong green shades with minimal impact on rheology.
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