Metal Blackening Solutions & Finishing Gels

Room Temperature Finishing Gels and Brush-On Products
Birchwood Technologies metal blackening solutions and finishing gels are safe and easy to use without compromising high quality. Our unique gel formula reduces runoff and dripping, as well as gives the user an extra measure of control when using on large surfaces. To receive optimal results from the metal blackening solution, applying multiple times may be necessary. If you have any questions about how our metal blackening solutions and finishing gels can benefit your company, contact us at 952.937.7931 to talk with an expert!

Black Oxide

Presto Black® Gel

For Blackening/antiquing of decorative steel surfaces without runs and drips.

Unique Gel formula has a slower reaction than BST4 Liquid, giving the user an extra measure of control when dealing with large surfaces. Gray/Black finish.

presto black gel

530150

1 Gallon
$149.30
/Gallon
Add to Cart

530151

5 Gallon
$109.00
/Gallon
Add to Cart

Presto Black® BST4 Brush-On Liquid

Traditional Patina Solution to blacken steel

Instant acting Blackener/touch-up for tools/machine parts or decorative surfaces. Dark Black finish.

Presto Black BST4 Brush-On

530040

1 Quart
$49.80
/Quart
Add to Cart

530050

1 Gallon
$149.30
/Gallon
Add to Cart

530051

5 Gallon
$109.00
/Gallon
Add to Cart

530052

15 Gallon
Call for
Pricing
Request Quote

Presto Black® SSB

Liquid Concentrate to produce a black patina on Stainless Steel

Supplied as a liquid, the SSB is a versatile solution that is used as a brush-on blackening solution.

Presto Black Stainless Steel

540040

1 Quart
$49.80
/Quart
Add to Cart

540050

1 Gallon
$149.30
/Gallon
Add to Cart

540051

5 Gallon
$109.00
/Gallon
Add to Cart

540058

55 Gallon
Call for
Pricing
Request Quote

Decorative Finishes

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
$149.30
/Gallon
Add to Cart

750351

5 Gallon
$109.00
/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
$149.30
/Gallon
Add to Cart

750051

5 Gallon
$109.00
/Gallon
Add to Cart

Antique Black® M24 Brush-On Liquid

Liquid Concentrate Blackening Solution to create black Brass patina and black Copper patina

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
$49.80
/Quart
Add to Cart

740050

1 Gallon
$149.30
/Gallon
Add to Cart

740051

5 Gallon
$109.00
/Gallon
Add to Cart

Antique Brown® M38 Immersion or Brush-On

Traditional Patina Solution to achieve a golden to chocolate brown brass patina, bronze patina, or copper patina

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

750140

1 Quart
$49.80
/Quart
Add to Cart

750150

1 Gallon
$129.30
/Gallon
Add to Cart

750151

5 Gallon
$94.40
/Gallon
Add to Cart

750152

15 Gallon
Call for
Pricing
Request Quote

750158

55 Gallon
Call for
Pricing
Request Quote

Aluma Black® A14 Brush-On Liquid

Blackening Solution for Aluminum Alloys

A room temperature Blackening concentrate for cast and machinable grades of aluminum - ideal for simulated Pewter or light duty service when protected by a clear topcoat.

Aluma Black A14

630040

1 Quart
$49.80
/Quart
Add to Cart

630050

1 Gallon
$149.30
/Gallon
Add to Cart

630051

5 Gallon
$109.00
/Gallon
Add to Cart