Ultra Yellow Red

E-Chrome Ultra Yellow Red has resulted from our customers who did not like the yellow-green of E-Chrome Ultra Yellow. The salt spray resistance approaches 200 hours, utilizing one tank and no topcoat.

If you are looking for a redder version of a trivalent yellow E-Chrome, our E-Chrome Ultra Yellow Red is for you.

Disclaimer: Do not make a complete judgement by this picture alone, as your computer settings will affect the actual color of the picture.

Bath Make-Up

 OPTIMUM

 RANGE
E-Chrome Ultra Yellow Red A 10% by volume  9%-11% by volume
E-Chrome Ultra Yellow Red B 10% by volume  9%-11% by volume

 

Step by Step Application:
Chromating on zinc-plating surfaces with E-Chrome Ultra Yellow Red is accomplished as follows:

  1. Zinc plate parts to .0003. The brightness of the final finish will be directly related to the brightness of the plated surfaces.

  2. Cold water rinse

  3. 1% by volume Sulfuric Acid, rinse to neutralize residual plating solution

  4. Cold water rinse

  5. Immersion in E-Chrome Ultra Yellow Red solution for the length of time required to produce the desired finish.

  6. Cold water rinse

  7. Hot Air Dry – 150° F

Operating Conditions

 OPTIMUM RANGE
pH*:1.8 1.65 – 2.0
TEMPERATURE:120° F (54°C)  90°-150°F (32°-66°C)
TIME:1 minute  30 seconds – 5 minutes
AGITATION:Air agitation may be helpful in rack situations

* Lower pH with E- Chrome Ultra Yellow Red A and B; raise pH with Ammonium Hydroxide

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