Product Description
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.
- In a plastic tank (HDPE preferred) add 2 US Gallons of distilled water.
- Add 8 fl oz Olive Drab Part I and mix with a plastic mixer
- 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:
- Zinc or cadmium plate the part
- Rinse with distilled water
- Dip in a 5% solution of muriatic or hydrochloric acid for 5 secs (not required but recommended)
- Rinse with distilled water
- Dip in Olive Drab Chromate for 15-60 seconds
- Rinse with distilled water
- Dry with warm air not exceeding 160 deg F.
TROUBLESHOOTING:
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| Problem | Cause | Solution | |||
| Dull streaks/bare spots | Poor rinsing after plating or chromating
Chromate is too strong | Increase rinsing. Add air agitation to rinse water. Dilute chromate |
| |||
| Bronze to reddish color | Temperature is too high Concentration of chromate is too high Concentration of Olive Drab II too low | Lower chromate Dilute chromate Add Olive Drab II |
| |||
| Olive color too iridescent | High pH | Lower pH |
| |||
| Dull powdery film; loose and non-adherent | Rinse or dryer too hot | Adjust temperature to 120°F (50°C) or less |
| |||
| Poor corrosion resistance | Temperature of dryer over 160°F (71°C); dehydrates the film pH too high | Reduce temperature
Lower pH |
| |||
Safety Information
WARNING: Cancer or birth defects - www.P65Warnings.ca.govHazardous Shipping Info
GHS Info
SDS
Product Videos
Product Reviews
Important Information
Additional Equipment May Be Required
For Our Tank Plating Kits:
- Copper Pipe for tank bar
- Copper Wire to hang items
- Small amount of electrical wire to make connections
- DC Power Supply - Included In Some Kits. Check kit contents on web site
- Optional Rinse Tanks (or rinse over the plating tanks with a water bottle)
- Other minor household items may be required, such as gloves, water etc.
For Our Anodizing Kits:
- DC Power Supply (Standard Kit Only)
- 1 Gal Battery Acid
- Dyes (if desired)
- Optional Rinse Tanks (or rinse over the plating tanks with a water bottle)
- Other minor household items may be required, such as gloves, water etc.
Learn More Before Buying
You can purchase our Caswell Plating Manual and learn how to use the kits, before purchasing a kit. Simply Order Here. When you are ready to buy, we will discount the price of the kit.
Already Have Our Plating Manual?
If you are ordering a plating kit that contains our Plating Manual, and you already have our Plating Manual, you can remove it from all kits that contain it and save $30 per kit. Just use Coupon Code NOMANUAL in your Shopping Cart at checkout.
