• invisible ink concentrate
  • SFXC Invisible Ink Fluorescent Invisible Ink Concentrate
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Sfxc Invisible Fluorescent Security Ink Concentrate

Sfxc Invisible Fluorescent Security Ink Concentrate

£13.65 GBP
£13.65 GBP
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  • International Shipping
  • Free UK Shipping on Orders Over £50
  • Over 10K Happy Customers

Description

Unleash a realm of mystery and innovation with SFXC's Fluorescent Invisible Ink Concentrate. This concentrated ink comes in captivating blue, green, and red hues, perfect for safeguarding documents, authenticating items, or infusing a whimsical charm into occasions and displays. Invisible to the naked eye, these inks emit a dazzling fluorescence solely under UV black light, making them ideal for an array of uses from safeguarding currency and certificates to enhancing amusement parks and themed gatherings. Elevate your projects with premium, water-based formulas that are simple to use and adaptable for various printing techniques.

Product Specifications:

  • Colors: Blue, Green, Red
  • Application Methods: Screen, rotary screen, Inkjet, flexographic, offset, conventional spray equipment, brush, rubber stamp
  • Concentration: Recommended concentration of 6-8% for optimal effect
  • Compatibility: Can be added to most water-based mediums; not suitable for opaque mediums
  • Ideal Surfaces: Suitable for UV dull surfaces and chlorine-free paper
  • Usage: Ideal for security and authentication of documents, decorative applications for events, and fun activities

Shipping & Delivery

We ship worldwide using trusted partners, with same-day dispatch on orders placed before 1 pm (subject to stock) and free UK delivery on orders over £50.

Every order is tracked, carefully packed, and arrives in excellent condition — with biodegradable packaging used wherever possible.

Shop with confidence with easy returns and exchanges!

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What Our Customers Say

Great experience from start to finish. The materials were top quality and added a unique touch to our product launch. Arrived on time and well-packaged.
James T
Fantastic service and even better products. The colour change effects are so cool and exactly what we needed. Can’t wait to use them again for future designs!
Amelia K
Really impressed with the colour-changing inks! They worked perfectly for my project and the customer service was super helpful. Fast delivery too — highly recommend
Sophie R

Frequently Asked Questions

Who are Colour Changing ?

Colour Changing is a global pioneer in smart materials, specialising in advanced colour-changing technologies for over 30 years. Founded by Jeremy Dredge, we’ve grown from a family business into an international enterprise with facilities in the UK and Spain, delivering innovative, science-backed solutions worldwide.

What technologies do you offer ?

Our core technologies include thermochromic, photochromic, and hydrochromic inks, paints, and coatings — materials that change colour with temperature, light, or moisture. Every product is developed to the highest standards of quality and performance.

How do you support businesses ?

We help businesses enhance safety, efficiency, and customer engagement through:

  • Intelligent supply chain indicators (shock, tilt, temperature)
  • Covert product authentication features
  • Interactive, eye-catching packaging
  • Memorable promotional products
How do you help creatives and designers ?

Our materials power innovation in:

  • Interactive art that responds to viewers and the environment
  • Product designs with dynamic colour-changing effects
  • Fashion items that shift with light and temperature
What makes Colour Changing different ?

Our team blends science, design, and decades of experience to deliver bespoke, high-performance smart materials. We're driven by innovation and collaboration, helping clients turn creative ideas into real-world impact.

Do you offer custom solutions and support ?

Absolutely. We collaborate closely with clients to develop tailored solutions, offering R&D, material sourcing, consultancy, and support from concept to installation.