ISF 2017, 22 to 24 February 2017 - Metal Finishers Association of India, VISIT US AT STALL NO.  J-5, Hall No. 12, Pragati Maidan, New Delhi

Black Passivation

SHEENBLACK 972

Application

SHEENBLACK 972 is a two part concentrated liquid process to produce uniform jet black coating on zinc plated articles. The process has an outstanding corrosion resistance and abrasion resistance without white powder formation.

Operating Conditions
  • SHEENBLACK 972 A 80 ml/lt.
  • SHEENBLACK 972 B 80 ml/lt.
  • pH 1.2 - 2.0
  • Time 60 - 120 secs.

 

BLAKPASS 22

Application

The properties of black chromate coatings on zinc and cadmium metal substrates are further improved by treating the coating with an aqueous solution of BLAKPASS 22.