Ключевые слова:
Ceramics, Glass, Glass ceramics, Solid electrical insulating materials, Electrical insulating materials, Mica, Classification systems, Porosity, Dielectric properties, Permittivity, Dissipation factor, Dielectric strength, Electrical resistivity, Bulk density, Strength of materials, Modulus of elasticity, Thermal properties of materials, Thermal conductivity, Thermal expansion, Electrical porcelain, Silicates, Magnesium, Aluminium oxide, Alumino-silicate minerals, Oxides, Titanates, Zircon