Phthalo Green TDD7W - Superior Dispersion for Industrial Coatings

Phthalo Green TDD7W revolutionizes pigment technology with its engineered surface chemistry and particle morphology, delivering unmatched dispersion characteristics in demanding industrial coating systems. As a next-generation copper phthalocyanine derivative, this pigment combines a vibrant bluish-green hue (CIE Lab*: L* 39±1, a* -34±1, b* 9±1) with exceptional processing efficiency, making it ideal for applications requiring rapid formulation turnover without compromising durability or color fidelity.

‌Core Performance Advantages‌

‌Breakthrough Dispersion Performance‌

• Achieves Hegman grind fineness ≤5 μm within 20-minute dispersion cycles (ASTM D1210)
• Ultra-low viscosity impact: ≤8% increase at 15% pigment loading in epoxy/polyurethane hybrids
• 98% dispersion stability after 30-day storage (ISO 8780-6 accelerated testing)

‌Optical Excellence‌

• 99.5% tint strength reproducibility across production batches
• Metamerism index <0.4 under multiple illuminants (D65, TL84, F11)
• 0.8–1.2 ΔE shift after 2,000-hour Xenon arc exposure (ISO 16474-2)

‌Technical Robustness‌

• Thermal resistance up to 300°C (DIN 53775 thermal gravimetric analysis)
• Chemical inertness to pH 1–13 solutions (ASTM D1308 immersion testing)
• 97% UV absorption efficiency (300–400 nm wavelength range)

‌Application-Specific Solutions‌

‌Automotive OEM & Refinish‌

• Meets GMW 14688 adhesion standards for e-coat/primer interfaces
• Enables ≤0.5% flocculation in 1K moisture-cured polyurethanes
• Passes VDA 621-415 stone chip resistance ≥Class 2

‌Heavy-Duty Protective Coatings‌

• Zinc-rich primers achieve 95% cathodic protection efficiency (ASTM D610)
• Compatible with inorganic zinc silicate systems (400°C service temp)
• Reduces mud-cracking in 500 μm DFT epoxy coal tar blends

‌Coil & Can Coatings‌

• 99% color retention after 1000-hour humidity testing (ASTM D4585)
• Meets FDA 21 CFR 175.300 for food container interiors
• Formaldehyde-free compliance for EU packaging directives

‌Marine & Offshore Systems‌

• Exceeds NORSOK M-501 Rev.6 cyclic corrosion requirements
• Compatible with polysiloxane topcoats for 25+ year service life
• Enhances anti-fouling properties in hybrid silicone systems

‌Technical Specifications‌

• ‌Color Index‌: C.I. Pigment Green 7
• ‌CAS No.‌: 1328-53-6
• ‌Chemical Structure‌: Brominated Copper Phthalocyanine (CuPc-Br₄Cl₁₂)
• ‌Oil Absorption‌: 28–32 g/100g (ISO 787-5)
• ‌BET Surface Area‌: 90–105 m²/g
• ‌Volatile Content‌: ≤0.8% (105°C, ISO 787-2)
• ‌Particle Size‌: D90 <1.0 μm (laser diffraction analysis)

‌Formulation Guidelines‌

‌Waterborne Industrial Coatings‌

• Pre-disperse with 4–6% acrylic-polyurethane copolymer dispersant
• Mill using 0.3 mm ceramic beads to Hegman 7+
• Stabilize with 0.5% associative thickener (pH 8.2–8.7)

‌Solvent-Based High-Solid Systems‌

• Combine with 1.2–1.8% modified polyamide anti-settling agent
• Enhance flow with 0.3% fluorosurfactant
• Optimize intercoat adhesion using 0.8% epoxy-functional silane

‌UV-Curable Coatings‌

• Pre-mix with 15% TPGDA monomer and 3% photoinitiator
• Achieve full cure at 180 mJ/cm² UV-A dose
• Maintain ≤0.1% extractables for medical device compliance

‌Regulatory & Sustainability‌

• REACH/SCIP registered with full supply chain transparency
• Halogen content <900 ppm (IEC 62321-7 certified)
• 40% reduced process energy vs. conventional phthalo greens
• Zero wastewater discharge in manufacturing (closed-loop system)

‌Packaging & Logistics‌

Available in 25 kg multi-barrier laminate bags with RFID tracking. Bulk shipments in 500 kg reusable UN-certified containers featuring moisture-control valves. Store at 15–25°C (RH <55%); shelf life 60 months from manufacture date.

‌Technical Support‌

• Real-time dispersion monitoring via inline particle counters
• Customized QMS documentation (IATF 16949 compliant)
• Accelerated corrosion mapping using EIS (Electrochemical Impedance Spectroscopy)
• Lifecycle assessment reports (ISO 14040/44 standards)

Phthalo Green TDD7W redefines industrial pigment performance through its unique balance of dispersion ease and extreme durability. The proprietary surface treatment ensures seamless integration into modern coating technologies, from high-solids formulations to emerging water-based systems, while delivering consistent color performance across global climatic conditions. For formulators seeking to optimize production efficiency without sacrificing protective qualities, TDD7W provides a future-ready coloring solution that meets both technical and regulatory

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