FIELD: chemistry.
SUBSTANCE: transparent heat-shielding element includes at least two glass sheets and at least one transparent shielding layer sandwiched between them. Transparent shielding layer includes polysilicate alkaline metal with molar ratio of silicon dioxide to alkaline metal oxide over 4:1, and up to 60% of water. Shielding layer includes additionally non-organic salt of Al, Mg, Ba, Ca chemical element as thermostabiliser, and mass ratio of the chemical element to alkaline metal hydroxide is 0.1-1.5.
EFFECT: enhanced heat and fire shielding effect of heat-shielding element.
4 cl, 11 ex
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