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Ultra-Blak Rectifier

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Ultra-Blak Rectifier is used to control the buildup of sludge, red iron oxide, zinc, aluminum, and copper in Ultra-Blak 400 or other black-oxide solutions.

Samples available to purchase - CALL #262-786-9330.

PLEASE NOTE: Orders ship within 3 business days.

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How to Use Ultra-Blak Rectifier

Adding Ultra-Blak Rectifier to a black-oxide bath forces iron sludge or buildup to float to the top, making it easy to skim from the surface and remove the contaminants.

Use Ultra-Blak Rectifier to:
  • Control the buildup of iron sludge and contaminants in black-oxide baths
  • Decontaminate black-oxide baths in 10–15 minutes
  • Avoid undesirable copper deposits and iron films
  • Achieve purer, more beautiful black finishes

Safety & Technical Data