Black coloring of wire products

$15.00

Low cost processes used in Germany for the black coloring of wire products are described. Nails can be blackened by burning with oil or fat. A purely chemical coloring method is used for pins and needles; color is produced by formation of cuprous sulfate. The mechanical method of lacquering is also discussed. Techniques for mass production are described.

SKU: P00306 Category: Tag:

Description

Low cost processes used in Germany for the black coloring of wire products are described. Nails can be blackened by burning with oil or fat. A purely chemical coloring method is used for pins and needles; color is produced by formation of cuprous sulfate. The mechanical method of lacquering is also discussed. Techniques for mass production are described.

Additional information

Author(s)

Presented

Publication/Event/Pages

Wire & Wire Products6(6): 228-229, 2501931

Year

1931