Leuco Dyes change colour with changes in temperature. LDs are reversible, meaning they change colour back and forth as the temperature fluctuates. It takes about a 5ºF (3ºC) temperature change for the LD to change colour.LeucoDyeProductsareavailable

Thermal-sensitive dyes have important applications in the medical film industry, particularly in the manufacturing of thermal-sensitive films. Below is a detailed explanation of the application of thermal-sensitive dyes in the medical film sector:1. Composition and Working Principle of Thermal-Sensi