The first visually looks like ordinary glass.
In addition to the fact that there are glasses that protect heat, there are also glasses that do not pass the sun’s rays. These are sunscreen glasses. They can be performed by two technologies. The first visually looks like ordinary glass. Special additives are poured into the composition of such glass, as a result, infrared radiation is delayed. Another version of sunscreen — this is a common glass with a coating.
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