Acid Salts For Steel

Free-flowing acid salts are used to deoxidize or activate cold and hot rolled steel in preparation for electroplating and metal finishing processes.  Therefore, acid salts for steel are critical to the success of steel plating and finishing.

Acid Salt 829

  • Acid Salt 829 is for use with water on copper as a replacement for mineral acids

Operating Conditions:

Cold rolled steel prior to nickel:

  • Operate at 16 oz. per gallon (120 g per L) at room temperature for 15 seconds to 2 minutes.

Hot rolled steel, welded steel or heat treated parts:

  • Operate at 16 oz. per gallon (120 g per L) at 130° F (55° C) for 30 seconds to 5 minutes.

Equipment Requirements:

Tanks:

  • Koroseal lined tank satisfactory to 150° F (66° C).
  • High temperature rubber is recommended for temperatures exceeding 150° F (66° C).
  • At room temperature, rubber, polyethylene, PVC or polypropylene are satisfactory.

Heating Coils:

  • Karbate
  • Graphite
  • Teflon

Ventilation:

  • Positive ventilation is required when the solution is heated or when current is used.
  • All ducting and blowers must be chemical resistant.

Solution Makeup:

To make the solution, fill tank 2/3 full of water and stir in dry salts until powder is dissolved. After Acid Salt 829 is
added to the solution, adjust the level and temperature to operating conditions.

Documentation:

Acid Salt 839

  • Acid Salt 839 is for use with water on copper as a replacement for mineral acids

Operating Conditions:

Cold rolled steel prior to nickel:

  • Operate at 16 oz. per gallon (120 g per L) at room temperature for 15 seconds to 2 minutes

Hot rolled steel, welded steel or heat treated parts:

  • Operate at 16 oz. per gallon (120 g per L) at 130° F (55° C) for 30 seconds to 5 minutes.

Equipment Requirements:

Tanks:

  • Koroseal lined tank satisfactory to 150° F (66° C).
  • High-temperature rubber is recommended for temperatures exceeding 150° F (66° C).
  • At room temperature, rubber, polyethylene, PVC or polypropylene are satisfactory.

Heating Coils:

  • Karbate
  • Graphite
  • Teflon

Ventilation:

  • Positive ventilation is required when the solution is heated or when current is used.
  • All ducting and blowers must be chemical resistant.

Solution Makeup:

To make the solution, fill tank 2/3 full of water and stir in dry salts until powder is dissolved. After Acid Salt 839 is
added to the solution, adjust the level and temperature to operating conditions.

Documentation:

Mirapic AS-839L

  • Mirapic AS-839L is a liquid version of Acid Salt 839
  • Used for activating steel, copper, and zinc
  • Unlike conventional mineral acids, dilution with water products produces less heat
  • Normal precautions when working with mineral acids should be observed

Operating Conditions:

Cold rolled steel prior to nickel:

  • Operate at 50% at room temperature for 15 seconds to 2 minutes.

Hot rolled steel, welded steel, or heat treated parts:

  • Operate at 50% at 130° F (55° C) for 30 seconds to 5 minutes.

Equipment Requirements:

Tanks:

  • Koroseal lined tank satisfactory to 150° F (66° C).
  • High-temperature rubber is recommended for temperatures exceeding 150° F (66° C).
  • At room temperature, rubber, polyethylene, PVC or polypropylene are satisfactory.

Heating Coils:

  • Karbate
  • Graphite
  • Teflon

Ventilation:

  • Karbate
  • Graphite
  • Teflon

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