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Reversible Liquid Crystal Polyester Film/Sheets

$81.02
Excl GST: $73.65
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LCS-LABELS

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These versatile reversible liquid crystal polyester film/sheets (also known as thermochromic liquid crystal sheets) provide fast and visual temperature indication ideal for labs, process monitoring, quality control, and educational use.
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Product Overview

Reversible Liquid Crystal Polyester Film/Sheets provide fast, accurate, and reusable thermal indication across a wide temperature range. Designed for ease of use and flexibility, these films change color in response to temperature changes, making them ideal for both laboratory and field applications. Each sheet is lightweight, can be easily cut to size, and offers clear visual feedback with ±1 °C accuracy near its rated temperature. Available as full 12" × 12" sheets or convenient packs of six 6" × 12" sheets.

Key Features:

  • High accuracy (±1 °C) near rated temperature

  • Rapid color-changing response

  • Flexible and easily trimmable polyester film

  • Available in multiple sizes and temperature ranges

  • Reusable and reversible functionality

  • Secure placement with adhesive backing.

Product Applications:

These temperature-sensitive sheets are commonly used for:

  • Laboratory experiments and educational demonstrations

  • Thermal mapping in research and quality control

  • Detecting hot spots in electronics and circuit boards

  • HVAC system diagnostics and underfloor heating tests

  • Industrial temperature testing and maintenance planning

Order Now

Get reliable, real-time temperature feedback with these reusable liquid crystal sheets perfect for professionals and educators alike. Order yours today!

Frequently Asked Questions

Liquid crystalline polymers (LCPs) are high-performance materials that exhibit properties between liquids and solids. They have an ordered molecular structure and can flow like a liquid while maintaining directional alignment, making them useful in electronics, optics, and thermal sensing applications.

The most common types are nematic, smectic, and cholesteric (chiral nematic) liquid crystals. These differ in how their molecules align and respond to temperature and electric fields. Cholesteric types are often used in thermochromic films and temperature indicators due to their color-shifting properties.

 The three main types are:

  • Nematic: Molecules align in the same direction but are not layered.
  • Smectic: Molecules are aligned and form distinct layers.
  • Cholesteric: A subtype of nematic, these twist in a helical pattern and reflect visible light, creating vivid colors.

 An example is cholesteryl benzoate, one of the first discovered liquid crystals. It displays visible color changes with temperature, making it useful in displays, temperature sensors, and novelty items like thermometers and mood rings.

 LCPs offer excellent thermal stability, chemical resistance, low moisture absorption, and high strength. Their unique structure also enables fast, reversible color changes with temperature, making them ideal for sensors, displays, and other high-performance applications.

 Liquid crystals flow like liquids but retain molecular order in one or two dimensions. Plastic crystals, on the other hand, are solids with some molecular rotation but no fluidity. Liquid crystals are commonly used in thermochromic and display technologies, while plastic crystals are less responsive to environmental changes.

Polyester film, such as Mylar, is used in labels, thermal sensors, electronics, packaging, printing, and insulation. It offers durability, heat resistance, and flexibility, and serves as the base material for temperature-sensitive liquid crystal sheets and laminates.