Purple Pigment for Solvent Ink & UV Ink - Superior Dispersion and Stability for Ink Formulations

Purple Pigment for Solvent Ink and UV Ink represents a breakthrough in high-performance colorants, engineered to meet the rigorous demands of modern printing technologies. This premium organic pigment delivers exceptional dispersion stability, vivid color strength, and resistance to environmental stressors, making it the ideal choice for formulations requiring precision, durability, and rapid processing. Whether applied in high-speed packaging印刷, automotive refinishing, or specialty labels, this pigment ensures consistent performance across solvent-borne and UV-curable systems while adhering to global regulatory standards.

‌Core Technical Attributes‌

‌1. Superior Color Intensity‌
Formulated with optimized particle morphology (D50: 0.2–0.4 μm), the pigment achieves a deep, vibrant purple hue with CIELAB coordinates ‌L = 28, a = 50, b* = -35**‌, offering ‌30% higher tinting strength‌ compared to conventional quinacridone violets. At a loading of ‌1.0–1.5%‌ in solvent inks and ‌3–5%‌ in UV systems, it delivers full opacity and metallic gloss effects without compromising flow properties.

‌2. Instant Dispersion Capability‌
A proprietary surface treatment enables rapid incorporation (<5 minutes under standard mixing) in hydrocarbon, ester, and ketone-based solvents. Achieves a Hegman grind fineness of ‌7.5–8.0‌ without pre-milling, minimizing production downtime by ‌25%‌ in gravure and flexographic ink manufacturing.

‌3. UV/EB-Curing Efficiency‌
Specifically engineered for UV-LED and electron beam (EB) systems, the pigment exhibits >98% cure response at ‌365 nm wavelength‌ with irradiation doses as low as ‌150 mJ/cm²‌. Compatible with acrylate monomers and oligomers, it prevents inhibition in free-radical polymerization cycles.

‌4. Solvent and Chemical Resistance‌

• Resists bleeding in ethanol, isopropanol, and ethyl acetate (ASTM D1308)
• Maintains ΔE <1.2 after 24-hour immersion in mineral spirits
• Withstands pH 3–11 in overprint varnishes and laminating adhesives

‌5. Lightfastness and Thermal Stability‌

• ‌Grade 8‌ on the Blue Wool Scale (ISO 105-B02), ensuring fade resistance in outdoor signage (>5 years accelerated weathering)
• Stable at processing temperatures up to ‌250°C‌ (482°F) for heat-set web offset inks
• No color shift during UV lamp exposure (mercury or gallium-doped) at 120°C

‌6. Regulatory Compliance‌

• APEO-free, heavy metal-free (tested per EN 71-3)
• REACH, RoHS, and FDA 21 CFR 175.300 compliant for food packaging inks
• Meets Nestlé Guidance on Packaging Inks and EuPIA exclusion policy

‌Targeted Applications‌

‌High-Performance Printing Inks‌

• ‌Solvent-Based Gravure‌: Fast-drying (<1.2 sec) formulations for BOPP films and foil laminates
• ‌UV Flexo Inks‌: Low-odor systems for shrink sleeves and pharmaceutical labels
• ‌Screen Printing‌: Thixotropic pastes for textured automotive decals and industrial signage

‌Packaging Innovations‌

• ‌Metal Decorating‌: Overprint coatings for beverage cans resistant to pasteurization
• ‌Security Inks‌: Anti-counterfeiting features with IR-reflective properties
• ‌Cold Foil Adhesives‌: High-adhesion UV primers for luxury cosmetic packaging

‌Industrial Coatings‌

• ‌Automotive Refinish‌: Basecoat systems compatible with 2K polyurethane clearcoats
• ‌Wood Finishes‌: Stain formulations penetrating porous substrates evenly
• ‌Plastic Coatings‌: Adhesion promoters for ABS/PC automotive interiors

‌Specialty Markets‌

• ‌Conductive Inks‌: Compatible with silver nanoparticle circuits (resistivity <1×10⁻³ Ω·cm)
• ‌Textile Printing‌: Disperse dyes for polyester sublimation transfer papers
• ‌3D Printing‌: SLA/DLP resins with <0.1% sedimentation in viscous formulations

‌Formulation Advantages‌

• ‌Universal Compatibility‌: Stable in nitrocellulose, polyamide, and UV acrylate binders
• ‌Metamerism Control‌: Matches Pantone 269 C and RAL 4007 across substrates
• ‌Rheology Management‌: Reduces thixotropy in high-solid systems (>65% NV)
• ‌Cost Efficiency‌: 40% lower dosage vs. DPP pigments at equal chromatic yield

‌Recommended Usage‌:

• ‌Solvent Inks‌: 8–12% in pigment concentrates for gravure/rotogravure
• ‌UV Inks‌: 4–6% in acrylate-based formulations with 2% photoinitiator
• ‌Lacquers‌: 0.5–1.2% in automotive OEM clearcoats for tinted effects

‌Processing Efficiency‌

• ‌Dispersion‌: Single-pass processing via high-speed dissolvers (1,500–2,000 rpm)
• ‌Filtration‌: <0.5% residue on 5μm filter bags in ink circulation systems
• ‌Drying Speed‌: Enables 30% faster web speeds in CI flexo presses

‌Sustainability & Safety‌

• ‌Low-VOC Contribution‌: Enables formulations with <2.1 lb/gal VOC content
• ‌Recyclability‌: Compatible with PET film recycling streams (APR Critical Guidance)
• ‌Occupational Safety‌: Non-classified under GHS; TSCA and IECSC listed

‌Technical Superiority‌

1. ‌Batch Consistency‌: ΔE <0.3 between production lots under D50 illumination
2. ‌Migration Resistance‌: ≤0.02% extractables in food simulants (FDA 177.1390)
3. ‌Electrolyte Stability‌: No flocculation in polar solvent blends (MEK/Ethanol 70:30)
4. ‌Global Approvals‌: Certified for China GB 9685-2016 and Japan JHOSPA standards

‌Packaging & Logistics‌

• ‌Standard Units‌: 25 kg foil-lined kraft bags on EUR-pallets
• ‌Bulk Options‌: 200 kg steel drums with nitrogen inerting
• ‌Shelf Life‌: 24 months in controlled environments (<40°C, 60% RH)

From high-resolution label printing demanding razor-sharp dot reproduction to automotive coatings requiring chemical resistance, Purple Pigment for Solvent & UV Ink redefines chromatic excellence. Its synergy of rapid processing, regulatory compliance, and environmental resilience positions it as the go-to solution for ink formulators balancing aesthetics with industrial-grade performance.

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