Absolutely loved the products! The quality exceeded my expectations and shipping was incredibly fast. Will definitely be ordering again.Sarah Johnson
Description
Liquid Crystal Colour Changing Film Sheet for Creative, Educational & General Temperature Indication
This liquid crystal colour changing film sheet is a responsive smart material designed to display visible colour changes as temperature varies across a surface.
Ideal for fashion, creative, educational, and interactive applications, this adhesive-backed thermochromic film is easy to use and well suited to student projects, demonstrations, museum displays, interactive exhibits, and visual design work.
Please contact us directly to check availability if products are showing as out of stock. Some materials are made to order.
Choosing the Right Liquid Crystal Sheet
For creative, educational, and interactive applications:
This liquid crystal colour changing film sheet provides a flexible, easy-to-use solution for visual temperature response.
For precision thermal mapping and controlled performance:
Our SFXC Precision-Calibrated Liquid Crystal Sheets offer defined temperature ranges, repeatable results, and engineered Color Play behaviour for engineering, laboratory, and R&D use.
Product Information
These adhesive-backed liquid crystal sheets are ideal for creative, educational, sampling, and general temperature-indication applications. They are well suited to fashion, student projects, museum displays, classroom demonstrations, interactive exhibits, and design-led work where visual temperature response is required.
For engineering, laboratory, or R&D applications requiring precision-calibrated thermal mapping, defined tolerances, and documented Colour Play parameters, see our SFXC Precision-Calibrated Liquid Crystal Sheets.
Colour Changing
Activated by temperature, liquid crystal displays a reversible colour change. As temperatures move through the selected bandwidth, colours transition smoothly from black through red, green, and blue.
This visible colour response allows quick and intuitive interpretation of temperature change across a surface.

A Smart Material
Liquid crystal is a responsive smart material that changes its optical properties when exposed to temperature. This type of RGB (red, green, blue) liquid crystal has been used for decades as a visual temperature indicator across a wide range of applications.
Application
These sheets provide a simple alternative to sprayable liquid crystal coatings, allowing the effect to be applied directly using the adhesive backing without specialist equipment.
They can be easily cut using standard tools such as scissors, knives, or guillotines, making them suitable for sampling, prototyping, demonstrations, custom displays, and general visual temperature-response applications.
Applications include educational demonstrations, museum displays, interactive exhibits, fashion concepts, design projects, visual temperature indication, and general testing or evaluation.
Specification
Available bandwidths (temperature ranges):
- 20–25°C (68–77°F) — commonly used for sensory and interactive applications
- 25–30°C (77–86°F) — commonly used for touch-responsive surfaces
- 29–33°C (84.2–91.4°F) — commonly used for jewellery and visual response
- 30–35°C (86–95°F) — suitable for general temperature visualisation
- 35–40°C (95–104°F) — suitable for higher temperature indication
- 35–36°C (95–96.8°F) — suitable for body-temperature response
- Custom bandwidths — available on request
Available sizes:
- 150 × 195 mm
- 300 × 390 mm
- Custom sizes — available on request
- Colour change: RGB (red, green, blue)
- Colour play: RGB response across a bandwidth of 5°C
- Adhesive: Semi-permanent
- Material: Liquid crystal laminate polyester
- Thickness: Approx. 180–200 microns excluding liner
Background
Liquid crystal technology was first identified by Friedrich Reinitzer in the late 19th century, helping lay the foundation for the smart thermochromic materials used today in visual temperature indication, education, and interactive applications.
Shipping & Delivery
This material is shipped worldwide using our trusted delivery partners. Orders placed before 1 pm are typically dispatched the same day where stock is available. Orders are tracked and carefully packed to help ensure they arrive in excellent condition.
Lead Times
Single sheets are usually dispatched within 2–3 working days. Larger quantities or custom requirements may be produced to order; please contact us for current lead times. Shipping times apply.
Important
These sheets change colour with temperature, not touch alone. To achieve the desired effect, ensure the correct temperature range is selected for your application.
Avoid prolonged exposure to direct UV light or extreme temperatures below 0°C or above 65°C. Always test materials for suitability before full application. Read the relevant technical and safety information carefully.
Removing the adhesive after application may damage the surface or the material. Custom orders are non-refundable and non-returnable, so testing before ordering in bulk is recommended.
Data Sheets
Please click here to view the MSDS.
Product images are illustrative. Actual colour response may vary depending on temperature, lighting, viewing angle, and surface condition.

What Our Customers Say
Great customer service and even better products. The team went above and beyond to make sure I was satisfied with my purchase.Mike Chen
I've been shopping here for over a year now and the quality is consistently excellent. Highly recommend to anyone looking for reliable products.Emma Davis
Frequently Asked Questions
Who is SFXC ?
SFXC is a family-owned UK-based business specialising in innovative and creative materials for commercial, domestic, and educational projects. Since launching in 2008, we’ve grown into a trusted brand for special effects and smart materials worldwide.
What makes SFXC different ?
As smart material specialists, we not only source, manufacture, and distribute unique pigments, coatings, and plastics — we also offer expert advice, extensive testing, and a passion for pushing the limits of creativity.
What industries do you work with ?
We work with everyone — from artists and universities to automotive giants, film productions, fashion labels, printers, space exploration, and even the military! If your project needs a creative spark, we’re here to help.
What special effect materials do you offer ?
Our technologies include Liquid Crystal, Thermochromic, Photochromic, Hydrochromic, Glow in the Dark, Fluorescent, Pearlescent, Colour Changing, Holographic, Conductive, Reflective, Scented, Invisible, and Infrared materials. We also offer a range of additives and binder systems.
Do you offer project support ?
Absolutely! Our full Design Service can help with R&D, material sourcing and consultancy, product design and manufacturing, direct marketing, print and design, and installations. We love helping our customers bring their ideas to life.