# Melting materials and ceramic production: what they are and what they are for

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Podcast: [Apparently invisible. Chemistry in ceramics.](https://stenobird.com/podcast/apparently-invisible-chemistry-in-ceramics-5864808)
Published: 2025-06-09T02:30:07+00:00
Episode link: https://www.spreaker.com/episode/melting-materials-and-ceramic-production-what-they-are-and-what-they-are-for--66340612
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Duration seconds: 1104

## Resource

Melting materials used in ceramics, often in glazes and digital glues, are capable of lowering the melting point of a material or compound, thus accelerating the sintering process. This action, which occurs through the breaking of the molecular structure of the compound (in our case, silica) by certain ions, affects several factors and must be carefully calibrated each time to achieve the desired result. Some of the areas influenced by this process include the grit application, the glossy or matte finish of the surface, interaction with colors, and energy savings. How do these materials (such as sodium, potassium, zinc, calcium, boron, etc.) work within the suspensions they are added to, and how does this action reflect on the final ceramic material?

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