{"product_id":"smart-liquid-crystal-temperature-sensitive-film-sheet-innovative-thermochromic-material-for-visual-effects-monitoring","title":"High Accuracy Liquid Crystal Colour Changing Film – Precision Monitoring \u0026 Visual Effects","description":"\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003ePrecision-Calibrated Liquid Crystal Sheets\u003c\/strong\u003e are high-performance temperature-responsive sheets designed for accurate thermal visualisation, surface temperature mapping, and colour-changing analysis across defined temperature ranges.\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cem\u003eAlso described as liquid crystal temperature sheets or precision thermochromic temperature film for thermal mapping and specialist visual applications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003eSupplied as standard with a \u003cstrong\u003efactory-applied adhesive backing\u003c\/strong\u003e, these sheets are intended for direct application to suitable surfaces, making them suitable for both testing and permanent installation.\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003eAvailable in selected sheet sizes, these calibrated liquid crystal materials display precise colour transitions across defined temperature ranges, allowing clear interpretation of surface temperature distribution in laboratory, engineering, product development, monitoring, and specialist display environments.\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003eTypical uses include:\u003c\/strong\u003e thermal mapping, surface temperature analysis, airflow visualisation, product testing, monitoring, special effects, and R\u0026amp;D validation.\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003eFor applications where repeatable and interpretable colour response is important\u003c\/strong\u003e, these sheets provide defined Colour Play behaviour and known temperature bandwidth performance.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eChoosing a Temperature Range\u003c\/h3\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003eOur first three temperature ranges are the core options and are the most suitable starting point for many monitoring, development, and visualisation applications.\u003c\/p\u003e\n\n\u003cdiv style=\"border:1px solid #e6e6e6; padding:12px; border-radius:8px; margin:8px 0 12px 0; background:#fafafa;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cstrong\u003eNot sure which temperature range you need?\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 6px 0;\"\u003eChoosing the wrong range can result in weak or unusable colour response for your application.\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cstrong\u003eStart with our 7-Sheet Liquid Crystal R\u0026amp;D Evaluation Pack to compare calibrated ranges before committing to a full-size sheet.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cstrong\u003eIncludes £20 credit towards your full-size sheet purchase.\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cem\u003e£20 credit is issued per evaluation pack purchase and may be used once against a full-size sheet order.\u003c\/em\u003e\u003c\/p\u003e\n  \u003cp style=\"margin:0;\"\u003e\u003ca href=\"\/products\/liquid-crystal-sheet-range-evaluation-pack\"\u003eView the Evaluation Pack →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cem\u003eRecommended for first-time users and for applications where the exact operating temperature is not yet confirmed.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eAvailable Sheet Sizes\u003c\/h3\u003e\n\n\u003cul style=\"margin:0 0 8px 18px;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e450 × 300 mm\u003c\/strong\u003e — Recommended for uninterrupted surface coverage and professional applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300 × 225 mm\u003c\/strong\u003e — Suitable for smaller test areas and limited installations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e225 × 150 mm\u003c\/strong\u003e — Useful for evaluation, demonstration, and smaller-scale applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cem\u003eReduced sizes are precision cut from full-size calibrated material. For best continuity of coverage, the 450 × 300 mm sheet is recommended.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eAvailable Temperature Ranges\u003c\/h3\u003e\n\n\u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cstrong\u003eCore Ranges (Stock Items — all three sizes available):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 8px 18px;\"\u003e\n  \u003cli\u003e20–25 °C\u003c\/li\u003e\n  \u003cli\u003e25–30 °C\u003c\/li\u003e\n  \u003cli\u003e30–35 °C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin:0 0 6px 0;\"\u003e\u003cstrong\u003eExtended Ranges:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin:0 0 8px 18px;\"\u003e\n  \u003cli\u003e29–33 °C — \u003cstrong\u003eCurrently available from stock in all three sizes\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e35–36 °C — Custom order (contact us)\u003c\/li\u003e\n  \u003cli\u003e35–40 °C — Custom order (contact us)\u003c\/li\u003e\n  \u003cli\u003e40–45 °C — Custom order (contact us)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cem\u003e35–36°C, 35–40°C, and 40–45°C ranges are supplied as full sheets (450 × 300 mm) only, with a minimum order quantity. Please contact us to confirm suitability, lead time, and availability.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cem\u003eApproximate Fahrenheit equivalents:\u003c\/em\u003e 20–25°C = 68–77°F, 25–30°C = 77–86°F, 30–35°C = 86–95°F, 29–33°C = 84–91°F, 35–36°C = 95–97°F, 35–40°C = 95–104°F, 40–45°C = 104–113°F.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eAdhesive Backing\u003c\/h3\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003eFull-size sheets are supplied with a pressure-sensitive adhesive backing as standard, allowing direct application to clean, smooth surfaces for stable and repeatable thermal readings.\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cstrong\u003eNon-adhesive versions are also available on request\u003c\/strong\u003e for applications requiring temporary placement, repositioning, or integration into assemblies.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eUnderstanding the Colour Change\u003c\/h3\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003eLiquid crystal sheets display a reversible colour change across a defined temperature bandwidth. As the surface temperature moves through the active range, the material transitions through visible colours that can be used to interpret relative temperature distribution.\u003c\/p\u003e\n\n\u003cp style=\"margin:0 0 8px 0;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0761\/7621\/files\/liquid_crystal_colour_play_and_temperature_events.png?v=1771691838\" alt=\"Liquid crystal colour play spectrum\"\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eKey Features\u003c\/h3\u003e\n\n\u003cul style=\"margin:0 0 8px 18px;\"\u003e\n  \u003cli\u003ePrecision-calibrated liquid crystal response across defined temperature bandwidths\u003c\/li\u003e\n  \u003cli\u003eAdhesive-backed as standard for direct surface application\u003c\/li\u003e\n  \u003cli\u003eMultiple sheet sizes for testing, development, and full coverage applications\u003c\/li\u003e\n  \u003cli\u003eSuitable for thermal mapping, visualisation, and specialist analysis work\u003c\/li\u003e\n  \u003cli\u003eNon-adhesive formats available on request\u003c\/li\u003e\n  \u003cli\u003eAppropriate for laboratory, engineering, monitoring, and R\u0026amp;D environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eRelated Products \u0026amp; Next Steps\u003c\/h3\u003e\n\n\u003cul style=\"margin:0 0 8px 18px;\"\u003e\n  \u003cli\u003eCompare temperature ranges first with the \u003ca href=\"\/products\/liquid-crystal-sheet-range-evaluation-pack\"\u003eLiquid Crystal R\u0026amp;D Evaluation Pack\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003eFor printed applications, explore our \u003ca href=\"https:\/\/www.sfxc.co.uk\/collections\/what-is-liquid-crystal\/products\/liquid-crystal-rainbow-ink-cholesteric-formulation\"\u003eLiquid Crystal Screen Printing Ink\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003eFor coating and spray application, see our \u003ca href=\"https:\/\/www.sfxc.co.uk\/collections\/liquid-crystal-products\/products\/sfxc-sprayable-liquid-crystal-ink\"\u003eSprayable Liquid Crystal Ink\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:8px 0 8px 0;\"\u003eImportant Notes\u003c\/h3\u003e\n\n\u003cul style=\"margin:0 0 8px 18px;\"\u003e\n  \u003cli\u003eColour response may vary depending on lighting, viewing angle, and surface condition\u003c\/li\u003e\n  \u003cli\u003eHandle carefully to avoid creasing or damage to the active layer\u003c\/li\u003e\n  \u003cli\u003eFor best results, apply to a clean, smooth, dry surface\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"margin:8px 0 0 0;\"\u003e\u003cem\u003eProduct images are illustrative. Actual colour response will vary depending on temperature, lighting, viewing angle, and application conditions.\u003c\/em\u003e\u003c\/p\u003e","brand":"SFXC","offers":[{"title":"20–25°C \/ 225 × 150 mm","offer_id":57010589008245,"sku":"GLI-SP-LC-20-25-S","price":22.95,"currency_code":"GBP","in_stock":true},{"title":"20–25°C \/ 300 × 225 mm","offer_id":57010588975477,"sku":"GLI-SP-LC-20-25-M","price":36.95,"currency_code":"GBP","in_stock":true},{"title":"20–25°C \/ 450 × 300 mm","offer_id":57010588942709,"sku":"GLI-SP-LC-20-25","price":59.95,"currency_code":"GBP","in_stock":true},{"title":"25–30°C \/ 225 × 150 mm","offer_id":57010589106549,"sku":"GLI-SP-LC-25-30-S","price":22.95,"currency_code":"GBP","in_stock":true},{"title":"25–30°C \/ 300 × 225 mm","offer_id":57010589073781,"sku":"GLI-SP-LC-25-30-M","price":36.95,"currency_code":"GBP","in_stock":true},{"title":"25–30°C \/ 450 × 300 mm","offer_id":57010589041013,"sku":"GLI-SP-LC-25-30","price":59.95,"currency_code":"GBP","in_stock":true},{"title":"30–35°C \/ 225 × 150 mm","offer_id":57010589204853,"sku":"GLI-SP-LC-30-35-S","price":22.95,"currency_code":"GBP","in_stock":true},{"title":"30–35°C \/ 300 × 225 mm","offer_id":57010589172085,"sku":"GLI-SP-LC-30-35-M","price":36.95,"currency_code":"GBP","in_stock":true},{"title":"30–35°C \/ 450 × 300 mm","offer_id":57010589139317,"sku":"GLI-SP-LC-30-35","price":59.95,"currency_code":"GBP","in_stock":true},{"title":"29–33°C (Custom) \/ 225 × 150 mm","offer_id":57093142675829,"sku":"GLI-SP-LC-29-33-S","price":22.95,"currency_code":"GBP","in_stock":true},{"title":"29–33°C (Custom) \/ 300 × 225 mm","offer_id":57093141365109,"sku":"GLI-SP-LC-29-33-M","price":36.95,"currency_code":"GBP","in_stock":true},{"title":"35–36°C (Custom Order – Contact Us) \/ 450 × 300 mm","offer_id":57010589270389,"sku":"GLI-SP-LC-35-36","price":59.95,"currency_code":"GBP","in_stock":false},{"title":"35–40°C (Custom Order – Contact Us) \/ 450 × 300 mm","offer_id":57010589303157,"sku":"GLI-SP-LC-35-40","price":59.95,"currency_code":"GBP","in_stock":false},{"title":"40–45°C (Custom Order – Contact Us) \/ 450 × 300 mm","offer_id":57010589335925,"sku":"GLI-SP-LC-40-45","price":59.95,"currency_code":"GBP","in_stock":false},{"title":"29–33°C (Custom) \/ 450 × 300 mm","offer_id":57093327978869,"sku":"GLI-SP-LC-29-33","price":59.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/5372\/files\/sfxc-liquid-crystal-thermochromic-sheets-liquid-crystal-colour-changing-film-sheet-40220087714108_aa399fe5-d96e-49d4-9da6-b2cde8ebae96.jpg?v=1776417283","url":"https:\/\/colourchanging.co.uk\/products\/smart-liquid-crystal-temperature-sensitive-film-sheet-innovative-thermochromic-material-for-visual-effects-monitoring","provider":"Good Life Innovations Ltd (Colour Changing) ","version":"1.0","type":"link"}