Using a halogen point heater, localized infrared irradiation was applied to a black lead glass rod, demonstrating its rapid melting behavior.
Lead-containing glass has a high infrared absorption rate, and darkened materials absorb light even more efficiently, resulting in rapid liquefaction under concentrated infrared heating.
This video visually illustrates the high-temperature responsiveness of localized heating and the melting behavior determined by the optical properties of glass.
It serves as an example of the potential applications of infrared heating in material research and processing technologies.
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