3. Satin finishing solutions
The compositions of industrial satin finishing solutions can vary widely, depending on the satin finish required. What they have in common is hydrofluoric acid at a concentration close to 400 g/l for "fast" solutions used in the cosmetics, lighting and wine and spirits industries, or 200 g/l for the flat glass industry, a fluorinated ammonium or potassium salt at a concentration ranging from 70 to 600 g/l, and the presence of a concentrated strong acid at 100 to 300 g/l. It is important to note that all the species present in these baths are in dissolved form. Bulking agents such as barium sulfate can also be used. This totally insoluble compound adds a silky aspect to the final satin finish, but does not enter into the composition of the layer of precipitates formed after chemical etching of the satin finish.
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Satin finishing solutions
Parameters influencing satin finish appearance
Bibliography
Events
ICG International Congress on Glass
http://www.icglass.org/home/conferences/
International Congress on Glass organized by The American Ceramic Society
Regulations
Arrêté du 2 février 1998 relatif aux prélèvements et à la consommation d'eau ainsi que aux émissions de toute nature des installations classées pour la protection de l'environnement soumises à autorisation. NOR : ATEP9870017A
Patents
Frosting method for forming imbricate pattern JP2080351
New frosting method for glass comprising a rinsing step with a salt solution and resulting frosted objects EP 1160213
Composition for roughening glass, etching bath, process for roughening glass and roughened objects EP 1108773
Process for satin-finishing a glass object in controlled concentrations...
Directory
Manufacturers – Suppliers – Distributors (non-exhaustive list)
Depolishing workshops :
Saverglass, a subsidiary of the St Gobain group, manufactures glass bottles and applies satin-finishing methods to some of its products.
https://www.saverglass.com/fr/expertises/decorateur-haut-de-gamme/les-procedes-de-decoration
...
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