配方类型:

METAL TREATMENTS

配方说明:

Coloring Cadmium

配方组成:

Temperature/180-200'F
Formula No.4 (Black
Time/6-8 min
Nitric Acid/0.5 fl oz/gal
Ammonium Molybdate/2 oz/gal
Potassium Nitrate/1 oz/gal
Boric Acid/1 oz/gal
Temperature/150 F
Time/5-10 s
Copper Sulfate/2.5 oz/gal
Temperature/150'F
Potassium Chlorate/3 oz/gal
Sodium Chloride/3 oz/gal
Temperature/200'F
Potassium Permanganate/160 g/l
Potassium Dichromate/1 oz/gal
Cadmium Nitrate/60-250 g/l
Ferrous Sulfate/5-10 g/l

配制方法:

Parts should be moved rapidly in the bath while the color develops through reddish to the black stage.