DX - 338 – L

DESCRIPTION:

Triple-s DX-338-L is a non-chromated Deoxidezer and desmutter for use on all aluminum alloys at room temperature.

UNUSUAL FEATURES:

  • DX-338-L will safely desmutt/deoxidize all aluminum alloys eliminating a need for more than one deoxidizer.
  • Being liquid, DX-338-L eliminates the adding of dry compound to the tank.
  • DX-338-L has an indefinite bath life, as there are no ingredients that will die during use life.
  • Being Chromate free, DX-338-L does not present the usual disposal problems.

OPERATING CONDITIONS:

Concentration: 5 to 15% by volume.
Temperature: 60 º to 80 º F.
Time: 30 seconds to 2 minutes approximately.
Tank: Acid proof or acid liner.

TYPICAL DESMUT OPERATION:

  1. Soak clean in Triple-s AC-220.
  2. Cold water rinse.
  3. Etch in Triple-s ETCH - 290 or 292.
  4. Cold water rinse.
  5. Desmutt, DX-338-L at 15 to 25 % by volume.
  6. Cold water rinse.
  7. Anodize, chem-film or final finish.

SAFETY PROCEDURES:

  1. DX-338-L contains a blend of strong acids and should be handled with the normal safety procedures required for products of this type.
  2. Avoid contact with skin or eyes.
  3. Avoid prolonged breathing of fumes from concentration.
  4. Personnel should wear the normal protective equipment for working with acid; Rubber gloves and apron, plastic face shield or goggles.
  5. Should accidental contact with skin or eyes occur, flush area with generous amounts of water and contact physician.

SOLUTION CONTROL:

  • Pipette a 10 ml. bath sample into a beaker.
  • Add 4 to 6 drops of phenolphthalein (indicator).
  • Fill automatic burette to zero mark with 1 N. Sodium Hydroxide.
  • While stirring the sample, slowly run in sodium hydroxide until pink color is obtained.
  • Multiply number of mls. required by product factor to determine percent of volume in solution.
  • Product factor equals: 1:0.

The information stated herein is based on information and tests we believe to be reliable. The accuracy or completeness thereof is not guaranteed. Since conditions of use are outside our control, user shall, before using, determine the suitability of the product for his intended use and user assumes all risk and liability in connection therewith.
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