Luminarc 22Cm Luminarc Glass Salad/Fruit Bowl-Colourless

Good tempering makes Duralex stronger but also durable - this is the tempering process.It consists of a sudden cooling by ventilation of cold air on the whole of the glass product which was previously brought to a temperature of about 700°c. This treatment creates, in the glass, controlled pressures that improve most of its physical qualities: resistance to mechanical stresses