Technical Insights on Pigments and Dyes
Understanding how specialty pigments work at a technical level gives you a real advantage — in formulation decisions, supplier evaluation, quality control and customer communication. Nichwell’s Technical Insights cover the science behind UV fluorescent pigments and photoluminescent materials, the mechanisms of thermochromic color change, the role of particle size and surface treatment in dispersion performance, and the key differences between organic and inorganic fluorescent colorants. These articles are written for engineers, R&D teams and technical buyers who want to go beyond product datasheets and make more informed material decisions.
For hands-on usage guidance, visit our Application-Guides covering formulation, dispersion and processing recommendations.
An Engineer’s Guide: Choosing UV Fluorescent Pigments for Screen Printing Screen printing is renowned in the security printing industry for its ability to lay down a thick ink deposit. This heavy ink film yields exceptionally bright, high-contrast emission under blacklight, making it perfect for lottery tickets, tax stamps, and heavy-duty
An Engineer’s Guide to Choosing Security Printing Pigments for Anti-Counterfeiting Inks In Level 2 covert authentication for banknotes, tax stamps, and official IDs, the exact choice of security printing pigments dictates the success or failure of the entire system.For security ink formulators, selecting the right luminescent marker goes far beyond
Seeking a Luminochem Alternative? A 2026 Supply Chain Upgrade Guide for UV Security Pigments In the highly regulated fields of security printing and covert industrial marking, legacy European brands like Luminochem have long been the standard reference point for spectral purity and daylight invisibility.However, as we move through 2026, shifting
Validating a Lumilux Alternative UV Pigment: Technical Guide for Formulators For R&D chemists and procurement teams operating in the security printing and specialized coatings sectors, Honeywell’s Lumilux® line is a recognized industry benchmark. However, adapting to fluctuating global supply chains, extended lead times, and strict cost-optimization targets has forced many
Formulator’s Guide: How to Choose the Right Activation Temperature for Thermochromic Pigments In industrial manufacturing—whether coating security films, running masterbatch through an extruder, or blending screen inks—an incorrect activation temperature will render a smart product defective. A common failure in R&D occurs when a pigment either shifts color before intended
Visible vs. Invisible UV Fluorescent Pigments: Application Differences & Selection Guide When formulating security inks, anti-counterfeit coatings, or industrial markers, UV fluorescent pigments act as the core functional material. However, chemical engineers and procurement teams often face a common technical hurdle during the R&D phase: Should you choose standard or
Excitation and Emission Wavelengths of UV Fluorescent Pigments: A Technical Guide to 365 nm and 254 nm Series Selection Nichwell is a professional manufacturer of UV fluorescent pigments and thermochromic pigments, supplying specialty colorant solutions to security printing, coatings, and plastics customers across more than 30 countries. 1. What Are
Fluorescent Pigment vs UV Pigment: What is the Difference and How to Choose? Understanding the differences between fluorescent pigment vs UV pigment is critical for engineers and procurement teams in specialty coatings, security printing, and plastics. While both belong to luminescent materials, they serve entirely different technical functions. Choosing the