Blackening

Description: The blackening solution is a cold-dip process that is simple to use. By mixing with clean water, you can directly dip the items without the need for electricity or heating. This solution provides a uniform black patina on the surface and is suitable for use on both pure and plated brass, pure and plated copper, and steel. It is used in a basket agitation process, and the items are blackened in just a few seconds. The resulting black patina helps resist dirt and fingerprints after subsequent coating with lacquer or oil.

Properties:

• Provides a uniform black patina over the entire surface of the item.

• No need for electricity or heating.

• Allows for the patina to be polished to reveal the underlying brass or copper if desired.

Description: This blackening solution is specifically designed for steel and is used in a simple cold-dip process. Just mix it with clean water and you can directly dip the steel items without the need for electricity or heating. The solution creates a consistent black patina over the entire surface of the steel, developing a uniform black oxide layer. It is suitable for use in a basket agitation process, where the items are dipped for just a few seconds.

Properties:

• Provides a uniform black patina over the entire steel surface.

• No need for electricity or heating.

• Can be followed by dipping in rust-preventive oil or lacquer.

• The concentrated formula is easy to use; simply dip the items for the desired time.

Description: This blackening solution is specifically designed for zinc and is used in a simple cold-dip process. Just mix it with clean water and you can directly dip the zinc items without the need for electricity or heating. The solution produces a consistent black patina on the surface of the zinc, including zinc die-cast, zinc castings, and various zinc alloys. The process involves agitating the items in a basket for just a few seconds, resulting in a blackened appearance over the entire surface.

Properties:

• Provides a uniform black patina on the entire surface of zinc items.

• No need for electricity or heating.

• Ideal for use on zinc die-cast, zinc castings, and zinc alloys.

• After blackening, items can be polished or buffed to a shine in the subsequent steps.

• The blackened surface helps resist dirt and fingerprints.

Description: This blackening solution is designed for aluminum and uses a simple cold-dip process. By mixing it with clean water, you can directly dip aluminum items without the need for electricity or heating. The solution provides a consistent black patina over the entire surface of aluminum items. Note that this solution is highly concentrated and must be diluted before use. It is recommended to work at room temperature or in the range of 15–27°C, ensuring the solution temperature does not exceed 30°C during application to prevent excessive etching.

Properties:

• Delivers a uniform black patina over the entire surface of aluminum items.

• No need for electricity or heating.

• High-concentration solution that requires dilution before use.

• Ideal working temperature is between 15–27°C; do not exceed 30°C to avoid excessive etching of the aluminum surface.