Olive Drab Green Chromate - makes 2 Gal

Caswell Olive Drab Chromate will impart an heavy, non-iridescent olive drab green coating over zinc or cadmium deposits. The finish also serves as an excellent base for paint.

MIXING:

DO NOT USE OLIVE DRAB CHROMATE AT FULL STRENGTH. DO NOT PRE-MIX PART I AND PART II. A VIOLENT REACTION MAY OCCUR.

1. In a plastic tank (HDPE preferred) add 2 US Gallons of distilled water.
2. Add 8 fl oz Olive Drab Part I and mix with a plastic mixer
3. Add 8 fl oz Olive Drab Part II and mix with a plastic mixer

Solution is now ready for use. Use at 70-90 deg F. If heating use Stainless Steel heaters (No Titanium) Air agitation recommended but not required.

OPERATION:

1. Zinc or cadmium plate the part
2. Rinse with distilled water
3. Dip in a 5% solution of muriatic or hydrochloric acid for 5 secs (not required but recommended)
4. Rinse with distilled water
5. Dip in Olive Drab Chromate for 15-60 seconds
6. Rinse with distilled water
7. Dry with warm air not exceeding 160 deg F.

TROUBLESHOOTING: