BLACKENING AND COLOURING ON BRASS & COPPER
Process | Compositions& Operating Conditions | Applications & Features | |
BLACK ANTIQUE BA-55 | BA-55 Temperature Time |
100-150 ml/l 25-40°C 1-2 mins. |
It gives wide range of colours on copper & copper alloys depending on temperature and time. The process gives blackish brown finish on copper & copper alloys. |
BRASS ANTIQUE BA-515 | BA-515 Temperature Time |
100-150 ml/l 25-40°C 1-2 mins. |
It gives wide range of colours on copper & copper alloys depending on temperature and time. The process gives brown bronze finish on copper & copper alloys. |
ANTIQUE BRONZE AB-25 | AB-25 Temperature. Time |
50-100 ml/l 25-40°C 1-2 mins. |
Produces a black film on white bronze, yellow bronze plated articles. |
RUST IRON FINISH | Concentration Hydrogen Per Oxide Temperature Time |
70 g/l 70-100 ml/l 60-70°C 1-2 mins. |
Produces a very good rust finish on iron articles and also gives polishing action and gives a smooth surface. |
TIN ANTIQUE | Concentration Temperature. Time |
50-100 ml/l 25-40°C 1-2 mins. |
Produces a black film on tin plated articles, iron, & aluminium. |