Product Description
Blackens steel and iron parts (not stainless steel). Parts must be sealed after blackening. Use our Penetrating Sealer or Caswell Sealer.
Mix 1 part Concentrate with 9 parts distilled water. 1 quart of concentrate makes 2.5 gallons of blackening solution. Parts Coverage - 600 to 1200 sq. ft. of surface area blackened per gallon of concentrate.
Immerse the part in the mixed Black Oxide Solution and swirl around for between 30 seconds and 5 minutes. Alternatively, the part may simply be placed in the solution for 5 - 10 minutes. Remove the part from the solution and rinse in fresh water. Use at room temperature.
Contains Hazardous Goods. Shipping restrictions apply. Ground shipping only to the Continental USA. Please call +1 315 946 1213 or contact us for rates to other locations.
Recommended Skill Level
Beginner level products can and should be used by anybody, including those who consider themselves not crafty, handy or hands on. Most beginner level products can be used out of the box and can expect results within minutes. It is always important to read the product instructions and description on the web site before use, for example, nearly all of our plating kits require a polished and clean surface before plating.
Safety Information
Hazardous Shipping Info
GHS Info
SDS
Product Videos
Product Reviews
23 Reviews Hide Reviews Show Reviews
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Great Product
This product worked as I expected it would.. Tested it on a piece of 4150 steel that was polished and it gave a great finish. I also tested it on a previously black oxide finished item that was showing some wear. Looked factory new when I finished the touch-up treatment.
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Black Oxide Concentrate
Purchased the product to use to Black oxide some bolts used to refurbish an old Drill Press. I set up an account which was easy and purchased the product that was received quickly with instructions. After sandblasting the bolts and handles I dipped them in the mixture of concentrate and water for a few minutes. Remove and washed them before spraying with oil. Turned out Great! Extremely Satisfied,
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Best Low-Cost Metal Finish on the market
I've tried a number of metal finishes on some small parts that I manufacture, and this one outshines the rest. It gives a durable Phosphate finish, with minimal fuss. Requires no heating (although that may help-will try), just add distilled water and soak. The cleaner your parts; the better, and a rough texture will take the finish better (sand blasting works good). All in all I am very pleased with this product for its low cost and ease of application. Mick Finch bluechipmachineshop.com
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Great
Blackens the parts in very little time
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Black Oxide
Good reliable product. Easy to use.
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Great consistency as usual
Caswell continues to make a good formula and makes it very easy to place an order.
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Easy to use
I find this solution as an economical alternative to hot black oxide since I can use this product in my shop without serious concerns regarding fumes.
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Fast delivery of a great product.
We use this in production of our products and have been pleasantly surprised by the results. Great product at a very reasonable price.
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great item
Have used this kit repeatedly, bucket keeps solution safe when not in use. I would highly recommend it.
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.