Introduce the new technology of room temperature metal blackening
Birchwood Technologies USA
Birchwood Technologies is the American company specializing in metal surface finishing field, office and factory locating in St Paul, capital if Minnesota state of USA.
Birchwood Technologies have been developing room temporature metal blackening process that help to save energy as well as environmental impact reduction.
Presto Black BST4 is room temperature blackening iron and steel by brush methode. (pic 1) or Presto Black Gel that is allowed to apply in vertical surface without drag out (Pic 2).
Improving the anti-corrosion and wearing resistance for Iron and steel- Birch wood launched the Microlok AO process offering the silver color- nano size film of Alumium oxide on surface of metal.
Presto Black SSBI (pic 4) for blackening Stainless steel at room temperature.
Moreover, for the other nonferrous metal such as copper or Aluminium- Birchwood do have various processes that meet the decorative demand.
Antique copper process Antique Black M220 (pic 5) or Antique Black Gel (pic 6) are applied by brush on surface.
For aluminum blackening we have Aluma Black A14 ( pic 7) and Aluma Black A15 (pic 8).
Editor:
Tran Binh An, Metatech- Vietnam
Source: website of Birchwood Technologies https://birchwoodtechnologies.com
