| 摘要 |
<p>Process for renovation of double glazing with damaged internal walls of the type in which the circulation of the treatment compositions and liquids takes place from an opening made in one of the two glass panels, the discharge taking place via an opening situated at the base of the panels, and characterised in that at the end of treatment, after the desired renovated state has been obtained, followed by rinsing and drying, the opening situated at the bottom of the panel is closed hermetically while the upper opening receives a pressure-balancing sleeve allowing the interstitial space of the double glazing to communicate with the outside, this sleeve comprising a filtering wall in its bore and the renovating composition corresponds to the formula demineralised water: between 10 and 20 litres surfactant agent between 2 and 4 litres hydrochloric acid: between 0.8 and 1.6 litres sulfamic acid: between 1.4 and 2.8 kilograms hydrofluoric acid: between 0.04 and 0.09 litres l</p> |
