OXIDIZERS for BRASS, BRONZE, & COPPER

Room Temperature Antiquing Decorative Finishes

Brass, Bronze, & Copper Oxidizers

Designed to be user and environmentally friendly, Birchwood Technologies blackening and antiquing processes are easy and safe to use in either manual or fully automatic lines. They offer you the maximum control over finish and operating cost.

Coupled with the Ion Exchange System, the line requires no water, drain or vent hookup and can be located anywhere in the plant in a manufacturing cell or any convenient location. Birchwood Technologies is the smart alternative to other oxidizing processes.

Antique Black® M20 Immersion

Blackening Solution for Brass & Copper

A general-purpose Blackening and Browning concentrate for brass, bronze and copper alloys. Rapid reaction makes M20 ideal for use on manual finishing lines. Contains buffering agents which make the solution resistant to low level contamination or carry-over without affecting finish color or coverage. Use at 20% by volume for Black finishes; 10-15% for a full range of pleasing Brown tones.

Antique Black M20 Immersion

720050

1 Gallon
$144.00
/Gallon
Add to Cart

720051

5 Gallon
$94.20
/Gallon
Add to Cart

720052

15 Gallon
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720058

55 Gallon
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Pricing
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Antique Black® M220 Immersion

Blackening Solution for Brass & Copper

General purpose Blackening and Browning concentrate for brass, bronze or copper alloys. Produces the same colors as M20 with the same high coverage and rapid reaction, but without the extra solution buffers, for even lower operating cost.

Antique Black M220 Immersion

720158

55 Gallon
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Pricing
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Antique Black® M21 Immersion

Blackening Solution for Nickel & Silver

A high-strength Concentrate for browning of brass, copper, bronze. Also Blackens nickel and silver. High coverage per gallon and low operating cost.

Antique Black M21 Immersion

730050

1 Gallon
$117.00
/Gallon
Add to Cart

730051

5 Gallon
$86.40
/Gallon
Add to Cart

730058

55 Gallon
Call for
Pricing
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Antique Black® M24 Brush-On Liquid

Blackening Solution for Brass & Copper

A unique Brush-On Concentrate for Blackening or browning of brass, bronze or copper alloys. Produces pleasing US10B finishes on large architectural surfaces, sculptures, or engravings -- on new or reconditioned parts. Color and reaction speed can be controlled by diluting with water. Can be used undiluted for Black finishes, or diluted by 10-50% for brown tones or slower reactions.

Antique Black M24

740040

1 Quart
$70.60
/Quart
Add to Cart

740050

1 Gallon
$149.00
/Gallon
Add to Cart

740051

5 Gallon
$114.20
/Gallon
Add to Cart

Antique Black® Gel

Blackening Solution for Brass & Copper

For Blackening/antiquing decorative brass, copper and bronze surfaces without runs and drips. Unique Gel formula has a slower reaction than the M24 liquid, giving the user an extra measure of control when dealing with large surfaces. Gray/Black finish.

antique black gel

750350

1 Gallon
$149.00
/Gallon
Add to Cart

750351

5 Gallon
$115.80
/Gallon
Add to Cart

Antique Brown® Gel

Solution used to achieve a golden to chocolate brown color on brass, bronze, copper

For browning/antiquing decorative brass, copper and bronze surfaces without runs and drips. Unique Gel formula has a slower reaction than the M38 liquid, giving the user an extra measure of control when dealing with large surfaces. Medium brown finish.

antique brown gel

750050

1 Gallon
$149.00
/Gallon
Add to Cart

750051

5 Gallon
$115.80
/Gallon
Add to Cart

Antique Brown® M38 Immersion or Brush-On

Solution used to achieve a golden to chocolate brown color on brass, bronze, copper

Ideal for use in barrel lines or automatic lines, the reaction is slower (1-4 minutes) to allow the operator to stop at light or medium Brown tones with ease, as well as chocolate Browns on brass, bronze or copper alloys. Use at 20% by volume for darker tone, 10-15% for lighter Browns, or undiluted for rich Brown brushed-on finishes.

Antique Brown M38

750150

1 Gallon
$122.00
/Gallon
Add to Cart

750151

5 Gallon
$86.40
/Gallon
Add to Cart

750152

15 Gallon
Call for
Pricing
Request Quote

750158

55 Gallon
Call for
Pricing
Request Quote

Patina Green™ Verde Green Finish

For use on copper, brass & bronze

For attractive Verde Green finishes on copper/brass/bronze surfaces. Simulates the natural Green Patina formed by outdoor weather exposure. Applied at room temperature by Brush-On, Immersion or spray techniques, the Patina Green can be used directly on the metal surface, or as a supplemental coloring agent over a Brown or Black base coat. The Green color forms when the solution is allowed to dry on the metal surface.

Patina Green Verde Green Finish

750450

1 Gallon
$98.00
/Gallon
Add to Cart

750451

5 Gallon
$80.40
/Gallon
Add to Cart

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