The treatment of a laminated glazing with a view to an ulterior operation where the glazing will be subjected to a strong applied temperature, notably to a temperature of at least 100 deg C, consists of subjecting the glazing to a thermal conditioning where it is heated progressively to a maximum temperature of 150 deg C during a total period of at least 4 hours. An Independent claim is also included for the preparation of a laminated glazing for a subsequent treatment where it will be heated to a temperature of at least 100 deg C.
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