• SFXC Hydrochromic Sheets Wet & Reveal Hydrochromic Water Reactive Film
  • SFXC Hydrochromic Sheets Wet & Reveal Hydrochromic Water Reactive Film
  • SFXC Hydrochromic Sheets Wet & Reveal Hydrochromic Water Reactive Film
  • SFXC Hydrochromic Sheets Wet & Reveal Hydrochromic Water Reactive Film
  • SFXC Hydrochromic Sheets Wet & Reveal Hydrochromic Water Reactive Film
  • SFXC Hydrochromic Sheets Wet & Reveal Hydrochromic Water Reactive Film
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SFXC Wet & Reveal Hydrochromic Water Responsive Film

SFXC Wet & Reveal Hydrochromic Water Responsive Film

£9.95 GBP
£9.95 GBP
Promotion Épuisé
Taxes incluses. Frais d'expédition calculés à l'étape de paiement.
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Water-activated hydrochromic film that reveals hidden designs, secret messages, and artwork on contact with water — then disappears as it dries. Opaque white when dry, crystal-clear when wet. Reusable, adhesive-backed, and cut-to-size. Perfect for interactive packaging, escape rooms, education, and product prototyping.

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!

Description

Reveal hidden designs with our Hydrochromic Water-Reveal Film — a moisture-sensitive, adhesive-backed material that transforms from opaque white to translucent the moment it contacts water. Conceal images, patterns, or messages beneath the surface and watch them appear instantly when wet, fading back to white as the film dries — ready to reveal again and again.

Ideal for interactive packaging, educational demonstrations, escape room puzzles, children's activities, product prototyping, and creative art projects. Pair with our hydrochromic inks and pigments for fully custom water-activated effects, or explore our liquid crystal sheets for temperature-responsive colour change.

Creative & Practical Uses

Hydrochromic film is increasingly used in projects where a temporary, water-triggered reveal adds interaction, feedback, or visual interest. These ideas are popular with designers, educators, and makers looking for simple ways to introduce responsive materials:

  • Outdoor reveal boards: Create surfaces that display graphics only when it rains or when sprayed with water.
  • Reusable learning tools: Make wipe-clean activity sheets where answers or shapes appear when dampened.
  • Prototype user interfaces: Test water-activated buttons, icons, or indicators without committing to printed production.
  • Children’s sensory play: Add hidden pictures or patterns to boards and cards that appear during water play.
  • Temporary signage: Produce reveal-on-wet instructions for workshops, demonstrations, or interactive exhibits.
  • Surface marking tests: Trial water-responsive zones on packaging, labels, or product housings.

Choosing the Right Size

  • Small — 210 × 150 mm: Ideal for compact designs, labels, and small reveal areas.
  • Medium — 300 × 210 mm (Most Popular): A versatile A4-sized sheet suitable for teaching aids, prototypes, and interactive cards.
  • Large — 420 × 300 mm (Best Value): Offers the greatest working area for signage, display panels, and larger creative projects.

Application Notes

  • Peel liner and apply to a clean, dry, smooth surface
  • Cut to shape using scissors, a craft knife, or guillotine
  • For best results, apply over light or white backgrounds — very dark surfaces may remain partially visible when dry
  • Test a small area before full production to confirm the result meets your requirements
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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.