| abstract |
An inorganic or organic glass product, or tempered glass product excellent in weatherability, water resistance, moisture resistance and abrasion resistance, which is formed of a) a silicate glass substrate, b) a porous modified layer enriched with silicon oxide through removal of components other than silicon oxide in a surface layer of the silicate glass substrate, and c) a water-repellent layer formed of at least one compound of an organic silicon compound and an organic fluorine compound on a surface of the porous modified layer. |