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RS Pigments
Industrial Application Sector

Printing Inks & Packaging

Low Cylinder Abrasion & Solvent-Fast Graphic Coloration

RS Pigments for Printing Inks & Packaging

Specially micronized synthetic Ultramarine Blue and Violet pigments engineered for liquid packaging inks, flexographic systems, and screen printing inks, delivering high optical clarity, excellent flow properties, and minimal cylinder wear.

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EuPIA Exclusion List Compliant
Swiss Ordinance SR 817.023.21 on Food Contact Inks
EN 71-3 European Toy Safety Certified
Heavy Metals Content within EU 94/62/EC Limits
Zero Solvent Bleed (ISO 2836 Compliant)
Formulation Advantages

Manufacturing Challenges & How RS Pigments Solves Them

Technical bottlenecks in printing inks & packaging often result from pigment agglomeration, heat degradation, or resin interaction. Our refined inorganic formulations eliminate these issues.

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Anilox & Gravure Cylinder Wear and Scoring

Industry Bottleneck: Abrasive minerals and hard pigment agglomerates cause premature wear on ceramic anilox rollers and chrome-plated gravure printing cylinders, degrading print quality and driving up tooling replacement costs.
RS Pigments Solution: RS Pigments ultramarines feature a low Mohs hardness of 2.5–3.0 and spherical particle geometry, dramatically reducing cylinder abrasion and extending printing plate service life.
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Solvent Bleed & Migration in Food Packaging

Industry Bottleneck: Organic colorants bleed into packaging solvents (esters, ketones, alcohols) and risk migrating through polyethylene packaging films into food contact layers.
RS Pigments Solution: Our inorganic pigments are completely insoluble in all common ink solvents, printing oils, and water, eliminating bleeding, strike-through, and packaging migration.
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Solar UV Degradation in Outdoor Packaging and Billboard Displays

Industry Bottleneck: Outdoor display cartons, sacks, and plastic films exposed to direct sunlight suffer rapid photochemical fading within weeks when formulated with low-cost organic blues.
RS Pigments Solution: RS Ultramarine Blue and Violet achieve top ratings of 7 to 8 on the Blue Wool Scale, providing long-term outdoor lightfastness and weather resistance.

Recommended Pigment Grades for Printing Inks & Packaging

Tailored micronized formulations providing optimal color yield, dispersion ease, and thermal resistance.

Grade Name Target Polymer / Medium Heat Ceiling Performance Benefit Product Page
RS-ULTRA-INK Micronized Solvent & Water-Based Flexographic Packaging Inks Up to 280°C Narrow particle distribution, rapid wetting, ultra-low cylinder wear. Specifications
RS-VIOLET-INK (PV 15) Screen Printing & High-Impact Packaging Up to 260°C Clean reddish-violet shade, zero solvent bleed, exceptional gloss. Specifications
NANOX-HD Dispersion High-Speed Gravure & Publication Inks Up to 300°C Sub-micron mean particle size, low viscosity buildup at high solids. Specifications
Processing Guidelines

Dispersion, Dosing & Medium Compatibility

Recommended Dosing: 5.0% – 15.0% in flexo/gravure liquid inks; up to 25.0% in paste and screen printing inks
Processing Temperature Range: Ambient to 150°C (during ink curing, drying ovens, or UV curing tunnels)
Dispersion & Milling Recommendation: Grind in bead mills or basket mills using 0.5–1.0 mm zirconia beads. Incorporate standard polymeric hyperdispersants for optimal gloss and rheology.

Compatible Polymers & Substrates

Nitrocellulose (NC) Blends Polyamide & Polyurethane Resins Water-Based Acrylic Emulsions UV & EB-Curable Acrylate Monomers Offset Litho Mineral & Vegetable Oils
Custom compounding formulations and spectrophotometric shade matching available upon request.

Request a Formulation Trial Sample for Printing Inks & Packaging

We supply complimentary 1kg and 5kg laboratory trial packs with lot-specific Certificates of Analysis (CoA) for qualified compounders.

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