BE 11 BEAUTY ETCH: THE “ETCH” OF THE FUTURE AVAILABLE NOW
90% REDUCTION OF ALUMINIUM DISSOLUTION
90% REDUCTION OF CAUSTIC SODA CONSUMPTION
90% REDUCTION OF SLUDGE
More and more the aluminium anodizing industry is required to reply to requirements coming from a multi-faceted combination of factors.
The use of caustic soda for etching of profiles, while established since a very long time, is increasingly under pressure due to environmental and cost implications.
The search for an alternative to caustic etch is therefore seen as a natural technological evolution.
The research has brought to a new type of aluminium surface etch named BE 11 (Beauty Etch 11). This new technology has the advantage that it reduces of about 90% the dissolution of metal and of about 90% the consumption of caustic soda, drastically reducing the features of the waste water treatment and the chemical costs in anodizing plants.
BE11 actually consists of two steps: step one is an immersion for 3 minutes in a proprietary product (Italtecno’s BE 11) solution at pH 4.0-5.5 at 4 °C followed by rinse in tap water; step two is an immersion in a conventional alkaline etching (long life or not long life) for 1 minute at 60-65 °C.
The result is a perfect etch without extrusion lines or other defects, a nice matt white/silver surface obtained with great cost savings and quick production times.