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What Is IR Excitation Ink? Infrared Security Ink Guide

HomeNews › What Is IR Excitation Ink? Infrared Security Ink Guide
2026-08-04 published
IR excitation ink: hidden fluorescence text appears under infrared light, covert anti-counterfeiting
SJH IR excitation ink: hidden text and patterns appear on the product card under infrared light.

IR excitation ink (infrared security ink) is the top-tier covert anti-counterfeit ink.

What It Is

Emits visible fluorescence when excited by infrared light; completely invisible to the naked eye under normal conditions.

Key Features

  • Extreme covertness
  • Verified only with IR source + viewing device
  • Can combine with UV invisible ink for dual-channel security
  • Custom excitation wavelengths

Applications

High-security IDs, passports, banknotes, invoices, premium brand protection.

SJH Ink manufactures IR excitation ink with free samples. Tel 13510998453, www.sjhink.com.

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