FIELD: chemistry.
SUBSTANCE: invention relates to production of radiotransparent glass ceramic material. The glass ceramic material has the following components, wt %: SiO2 - 43.8-52.5; Al2O3 - 24.6-30.2; MgO - 9.3-11.9; TiO2 - 8.8-12.9; As2O3 - 0.1-1.9; ZnO - 0-1.5; CeO2 -0-2.5; fluoropol-0.1-7.5.
EFFECT: reduced thermal coefficient of linear expansion, thermal stabilisation of dielectric permittivity and lower melting point.
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