20 Best Caswell Black Oxide in 2024 Reviews and Buying Guide

1,970 Reviews Scanned

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1 Caswell Black Oxide Concentrate 1 QT Caswell Black Oxide Concentrate 1 QT No ratings yet
2 Caswell Black Oxide Kit - 1.25 Gal Sealer (Dry Finish) Caswell Black Oxide Kit - 1.25 Gal Sealer (Dry Finish) No ratings yet
3 Caswell Stainless Steel Blackener 370-16OZ Caswell Stainless Steel Blackener 370-16OZ No ratings yet
4 Caswell Black Oxide Activator 1 Pint (Makes 1.25 Gallons) Caswell Black Oxide Activator 1 Pint (Makes 1.25 Gallons) No ratings yet
5 Caswell Black Oxide Concentrate - 1 Gallon Caswell Black Oxide Concentrate - 1 Gallon No ratings yet
6 Caswell PENETRATING SEALER 1QT Caswell PENETRATING SEALER 1QT No ratings yet
7 Caswell Mega Black Kit 1.125 Gallon (1 Pint Concentrate) Caswell Mega Black Kit 1.125 Gallon (1 Pint Concentrate) No ratings yet
8 Black Oxide Gel Kit Black Oxide Gel Kit
9 Caswell Stainless Steel Blackener 8OZ Caswell Stainless Steel Blackener 8OZ
10 Caswell PENETRATING Sealer 1 Pint Caswell PENETRATING Sealer 1 Pint No ratings yet
11 TredNot 4 oz Steel Blackening Concentrate, Makes 2 1/2 Pints, Bluing Solution, Gun Blue/Black TredNot 4 oz Steel Blackening Concentrate, Makes 2 1/2 Pints, Bluing Solution, Gun Blue/Black No ratings yet
12 Caswell Stainless Steel Blackener 370 - Quart Caswell Stainless Steel Blackener 370 - Quart No ratings yet
13 Black Oxide Concentrate - 5 Gallon Black Oxide Concentrate - 5 Gallon No ratings yet
14 Caswell Black Oxide Activator 1 Quart (Makes 2.5 Gallons) Caswell Black Oxide Activator 1 Quart (Makes 2.5 Gallons) No ratings yet
15 Caswell Black Oxide Kit - 5 Gal Caswell Black Oxide Kit - 5 Gal No ratings yet
16 Birchwood Technologies Presto Black Stainless Steel Blackener (SSB) - Cold Brush on Blackening... Birchwood Technologies Presto Black Stainless Steel Blackener (SSB) - Cold Brush on Blackening...
17 Caswell ZINC Blackener - 1 Pint Caswell ZINC Blackener - 1 Pint No ratings yet
18 Black Oxide Kit - 2.5 Gal Black Oxide Kit - 2.5 Gal
19 Caswell Black Oxide Kit - 15 Gal Caswell Black Oxide Kit - 15 Gal No ratings yet
20 Birchwood Technologies Presto Black BST4 - Cold Brush on Blackener Solution for Iron and Steel... Birchwood Technologies Presto Black BST4 - Cold Brush on Blackener Solution for Iron and Steel...

Bestseller No. 2
Caswell Black Oxide Kit - 1.25 Gal Sealer (Dry Finish)
  • Blackens Steel & Iron Parts Quickly & Easily (not stainless steel)
  • Room Temperature - No dangerous fumes
  • Contains 1 Pint Of Blackening Concentrate (Makes 1.25 gallons) And 2 Quarts Caswell Sealer (leaves dry finish)
  • Covers approx 75 sq feet
  • Works in 3 minutes or less
Bestseller No. 7
Caswell Mega Black Kit 1.125 Gallon (1 Pint Concentrate)
  • Remove rust and clean parts thoroughly. Never use cleaners like lacquer thinner or alcohol. Only use detergent based cleaners, like our SP-Degreaser....
  • Mix the Mega Black™ concentrate at 10% with distilled water. 1 pint of Mega Black™ makes 1.125 gallons of blackening solution
  • Immerse for 2-3 minutes, to a maximum of 5 minutes
  • Rinse in distilled water then seal with our Caswell Sealer, a water based acrylic sealer.
  • Caswell Sealer - water based acrylic sealer
Bestseller No. 8
Black Oxide Gel Kit
  • Easily spot blacken steel (not stainless) or iron. Simply apply the black oxide gel where you want the blackening to occur.
  • Simply apply the black oxide gel where you want the blackening to occur.
  • The gel keeps the blackener in place. Leave it on the part for 1-3 minutes and rinse off. Seal with Caswell Sealer for a dry finish.
Bestseller No. 11
TredNot 4 oz Steel Blackening Concentrate, Makes 2 1/2 Pints, Bluing Solution, Gun Blue/Black
  • 4 oz steel blackening concentrate
  • Mix 9:1 with water. Makes 5 cups (2 1/2 Pints) of solution
  • Blackens steel in 2-6 minutes
  • Will not blacken stainless steel, aluminum, lead, or copper.
  • USA SHIPPING ONLY. I will not ship internationally.
Bestseller No. 13
Black Oxide Concentrate - 5 Gallon
  • Blackens Steel & Iron (not stainless steel)
  • Room Temperature Solution - No Dangerous Fumes Or Heaters Requred
  • 5 Gallons of Concentrate Makes 45 Gallons Total Bath
  • Mix With Distilled Water
  • Blackened Parts Require Sealing After Blackening
Bestseller No. 15
Caswell Black Oxide Kit - 5 Gal
  • 2 x 1 Quart Black Oxide Concentrate (makes 5 gals)
  • 2 Gal Sealer - Choose Penetrating Sealer For Oily Finish or Caswell Sealer For Dry Finish
  • 1 x 6 Gal Plastic Blackening Tank
  • 1 x 3.5 Gal Plastic Sealing Tank
  • Instruction Sheet
Bestseller No. 16
Birchwood Technologies Presto Black Stainless Steel Blackener (SSB) - Cold Brush on Blackening...
  • STAINLESS BLACKENER: Achieve a deep black finish on stainless steels with Presto Black SSB.
  • Creates a rich, vibrant black patina. Ideal for use on a variety of stainless alloys including 304, 316, 410, 17-4 and many more.
  • Made in the USA: Birchwood is the trusted name used by Architects, Artists and Industry since 1948
  • Artistic techniques allow for customization and unique patterns and designs. Can be applied by immersion, swab-on, or spray methods. Highlighting...
  • Easy-to-use and fast-acting formula. Black color starts developing instantly on clean steel surfaces! Small projects are completed in minutes. Wear...
Bestseller No. 18
Black Oxide Kit - 2.5 Gal
  • Blackens Steel & Iron Parts Quickly & Easily (not stainless steel)
  • Room Temperature - No dangerous fumes
  • Contains 2 Pints Of Blackening Concentrate (Makes 2.5 gallons) And 1 Gallon of Sealer (Choose Dry or Oily Finish)
  • Covers approx 150 sq feet
  • Works in 3 minutes or less
Bestseller No. 19
Caswell Black Oxide Kit - 15 Gal
  • 1 x 20 Gal Tank & Lid (12Wx24Lx18H)
  • 1 x 15 Gal Tank & Lid (12Wx24Lx12H)
  • 1.5 Gal Black Oxide Concentrate (Makes 15 Gal)
  • 10 Gal Sealer - Choose Penetrating Sealer For Oily Finish. Choose Caswell Sealer For Dry Finish
  • Instruction Sheet
Bestseller No. 20
Birchwood Technologies Presto Black BST4 - Cold Brush on Blackener Solution for Iron and Steel...
  • Achieve a deep black finish on all iron and non-stainless steels with Presto Black BST4. AMS 2484 compliant product to touch-up black oxide
  • Creates a rich, vibrant black patina. Ideal for use on a variety of ferrous metals, including steel, iron, and cast iron. Does not blacken Stainless...
  • Made in the USA: Birchwood is the trusted name used by Architects, Artists and Industry since 1948
  • Artistic techniques allow for customization and unique patterns and designs. Can be applied by immersion, swab-on, or spray methods. Highlighting...
  • Easy-to-use and fast-acting formula. Black color starts developing instantly on clean steel surfaces! Small projects are completed in minutes. Similar...
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FAQ:

Q: Can I use Caswell black oxide sealer to blacken parts?

A: If a non-oily finish is desired, do not use the Penetrating Sealer after blackening, and instead use Caswell Sealer. Black Oxide works on steel or iron parts only and will not blacken Stainless Steel – use Stainless Steel Blackener.

Q: Can I use black oxide activator product to blacken steel?

A: Black Oxide Activator Product does not perform blackening. It is an activator for use before blackening. Certain hardened or specialized steels can prove challenging to blacken with our Black Oxide solution, only blackening to a grey color. Our Black… Blackens steel and iron parts (not stainless steel). Parts must be sealed after blackening.

Q: How do you make a gallon of black oxide?

A: Black Oxide Concentrate – 1 Gallon. Blackens steel and iron parts (not stainless steel). Parts must be sealed after blackening. Use our Penetrating Sealer or Caswell Sealer. Mix 1 part Concentrate with 9 parts distilled water. 1 gallon of concentrate makes 10 gallons of blackening…

Q: What is Caswell sealer concentrate?

A: Caswell Sealer Concentrate Caswell Sealer is a fast drying coating that penetrates porous materials such as cloth, leather, plaster of paris, concrete etc. rendering it non-porous. The concentrate can be used as is, or thinned with an…