Black Oxide Liquid

Metal chemical blackening with galvanizing black oxide liquid

Verzinkshop Black Metal Oxide Liquid is the Black Oxide concentrate, ready-to-use mixed at 1:9 (100 ml concentrate + 900 ml water), so you can immediately start chemically blackening steel and iron. The treatment gives an even, deep black conversion coating without noticeable dimensional change.

Use as with the concentrate: usually dip for 2–5 minutes, then rinse and seal immediately for corrosion protection and maximum black depth. Not suitable for stainless steel. Can be additionally diluted to 1:12 by adding 300 ml of water to 1 liter of 1:9 solution.

For all technical details (materials, variable mixing ratios for brush/sponge, troubleshooting) see the product information on the page of Verzinkshop Zwart Oxide Concentraat.

Available in:

• 1 liter
• 2 liters
• 5 litres
• 10 litres
• 20 litres

Need a large quantity? Please contact us .

Blackening metal with Verzinkshop Black Oxide

• Liquid is ready for use – can be diluted by an additional 30% with 300 ml of water per liter of liquid.
• Works on cold and hot rolled iron and steel, structural steel, alloy steel, tool steel, cast iron, forged steel and even sterling silver. Not suitable for stainless steel.
• The process usually takes 2 to 3 minutes, up to 5 minutes.
• Must be finished with a sealer, preferably while the surface is still wet.

Features of Verzinkshop Zwart Oxide

Blacken metal with this professional product available for the professional and hobbyists.

• Verzinkshop Black Oxide is a traditional cold black oxide system for blackening iron and steel at room temperature.
• Apply by immersion, a brush or sponge.
• Does not affect the dimensions of the object, ideal for precision parts!
• The product uses mild chemicals that can be diluted with water and work at room temperature.