Glass that has been annealed has been cleaned, and its interior has been painted with ceramic frit. Tiny glass particles,
colors, and different chemicals for curing are used to create frit. Ceramic frit is burned in a tempering furnace to
produce a durable coating. Glass is usually thermally toughened or tempered to prevent thermal stress from breaking it.
High-performance coatings, clear or coloured glass substrates, and ceramic frit can be combined to lessen glare and solar transmission.
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