Abstract
Based on metaphosphate compositions and boron orthophosphate, multicomponent phosphate glasses were developed which exhibit high resistance to hydrofluoric acid, have a TCLE of (72...92) × 10– 7 K– 1 and a softening temperature of 435 – 590°C, and can be used in the production of a phosphate film coating for the surface of sheet silicate glass, in order to protect it from the effect of hydrofluoric acid.
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