| abstract |
A glass manufacturing method and a glass raw material manufacturing method capable of lowering the energy consumption by lowering the melting temperature in preparing molten glass from a glass raw material and at the same time homogenizing the glass composition And providing glass raw materials. A glass raw material used for producing a glass by melting a glass raw material into a molten glass and then forming the molten glass, silica sand having an average particle size of 10 μm or less, sodium carbonate, calcium A glass raw material comprising a salt powder and having a sodium silicate salt adhered to the surface of the silica sand is employed. [Selection figure] None |