Asahi Glass Company, Limited

Noriko Nishina

Ryota Ando

To provide a method for producing granules as glass raw material without using a binder that contains an alkali metal or boron. In the method, granules are produced by mixing a glass raw material composition and water. A method for producing granules to be used for the production of alkali-free glass, which comprises mixing a glass raw material composition and water, wherein the glass raw material composition essentially comprises an aluminum source containing calcium aluminate represented by CaO.2AlO, a calcium source containing one or both of calcium oxide and calcium hydroxide, and a silicon source.

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Chiyoda-ku, Japan

Noriko Nishina