Glasses and glass products which combine the chemical temperability with very good alkali and acid resistance, hydrolytic resistance, as well as a desired coefficient of thermal expansion are provided. The glass has a composition characterized by the following constituent phases: a composition characterized by the following constituent phases: 20-60 mol % albite; 0-40 mol % silicon dioxide; 0-20 mol % orthoclase; 0-10 mol % wollastonite; 0-20 mol % enstatite; 0-20 mol % parakeldyshite; 0-20 mol % narsarsukite; 0-40 mol % disodium zinc silicate; 0-20 mol % cordierite; 0-10 mol % strontium silicate; and 0-10 mol % barium silicate.
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