Brass Surface Treatments and Their Types
Brass is an aesthetically pleasing, durable, and versatile alloy often used in
interior design, furniture, lighting fixtures, and artistic creations. However, brass is
prone to oxidation and discoloration, so various surface treatments are applied to
preserve its beauty and increase its longevity.
1. Mechanical Surface Treatments
These methods involve processing, polishing, or texturing the brass surface.
Brushing and Sanding: Brushed or sanded brass creates a finely textured,
matte surface, often used in modern and industrial designs.
Polishing: To achieve a high-gloss finish, brass is treated with abrasive materials
of different grit sizes and finally polished with a fine paste.
Sandblasting: This technique creates a uniform, slightly rough or matte finish,
ideal for antique or rustic aesthetics.
2. Chemical Surface Treatments
Chemical treatments aim to protect the surface or create specific effects.
Patination: Various chemicals can be used to artificially accelerate the aging
process, achieving antique or vintage effects (e.g., green, blue, or brown patina).
Acid Treatment: Helps create a uniform oxidation effect, resulting in unique
shades and tones.
Lacquering or Wax Coating: A clear protective coating can be applied to patinated
or polished surfaces to prevent further oxidation.
3. Galvanic and Other Coatings
These methods involve applying different metal layers or coatings to the brass
surface.
Nickel or Chrome Plating: Provides a durable, wear-resistant, and shiny finish,
often used in bathroom and kitchen fixtures.
Gilding: Adds a luxurious appearance while protecting the brass base from
oxidation.
Powder Coating: Powder-coated brass surfaces are more durable and resistant
to environmental factors.
4. Oil-Based Protection
Raw or polished brass can be regularly treated with special oils (such as linseed
oil or microcrystalline wax) to slow down oxidation and maintain its original shine.
Conclusion
The choice of surface treatment depends on the intended use and aesthe-
tic expectations. Polishing and lacquering are ideal for modern, glossy surfaces,
while patination or brushing creates an antique effect. Galvanic coatings and
powder coating offer longer-lasting protection, while oils and waxes provide a
natural solution against oxidation.
For unique or long-lasting surface treatments, consulting a specialist ensures the
most suitable technology is applied for the desired effect.
Blackened Brass Brushed & blackened
patina creating a satin black finish over
brass
Raw Brass Warm brushed satin brass
with gently aged patina
Brushed Brass Brushed satin brass with
matte finish
Polished Brass Polished gloss brass
with matte finish
Brushed Nikkel Brushed satin nikkel
with matte finish
Antique Brass Deep warm brushed
satin brass with aged patina
Black Middle gloss black powder-coat
for a pure black finish
32
33
