• This section is for quick access to all Birchwood Technologies metal finishing products for sale throughout this website.
  • For comprehensive details about each of our products please visit the products section of this website. Products are also available for purchase within each section.

Blackening and Oxidizing Concentrates

Mid Temperature Black Oxide

Tru Temp® XL One Component Black Oxide - For make-up and replenishment.
Tru Temp® MKP Make-up Solution - Bath strength make-up. Use as is, without dilution.
Tru Temp® RPL Replenisher Concentrate - For use with Tru Temp® MKP above.
Tru Temp® Neutralizer - For use in pH neutralizing spent Tru Temp baths prior to disposal.

Oxidizers for Copper, Brass, Bronze, Nickel, Silver, and Zinc

Antique Black® M20 Immersion - Versatile blackening / browning solution/or brass, bronze.
Antique Black® M21 Immersion - Black on nickel, silver; brown on brass, bronze.
Antique Black® M24 Brush-On Liquid - For brass, bronze, copper.
Antique Black® Gel - Brush-on blackening gel.
Patina Green™ Verde Green Finish - For copper, brass, bronze.
Antique Black® M220 Immersion - Economical black/brown on brass.
Antique Brown® M38 Immersion or Brush-On - Golden to chocolate brown on brass, bronze, copper.
Antique Brown® Gel - Brush-on browning gel.
Presto® Bright Dip - Used to brighten and remove tarnish from brass, bronze, copper, nickel, and silver.

Black Oxide for Stainless Steel


Pewter Black™ PB1 Immersion Concentrate - For all tin & pewter alloys.
Pewter Black™ PB2 Immersion Concentrate - Solution for blackening of tin and pewter alloys.


Zinc Black ZN4 Immersion - For zinc die castings, zinc plating.

Rust Preventives and Sealants

Solvent Based Rust Preventives

Dri-Touch® DS Dewatering Sealant - Water-displacer, super thin film.
Dri-Touch® IRP1 Water Displacer - Ultra-fine dry film.
Dri-Touch® Amber IRP2 Rust Preventive - Water displacer. Low odor. Dry film.
Dri-Touch® Plus IRP3 Heavy-Duty Rust Preventive - For long term storage.
Sheath® RB1 Water Displacing Oil - Slightly oily film.
Dri-Touch® RPL - Replenisher for Solvent Based Rust Preventatives.
ClearLok® EXT  - Solvent-based clear topcoat with UV inhibitors for exterior applications.
ClearLok® U1 - Heavy-duty solvent-based clear topcoat for exterior applications requiring great durability.
ClearLok® U2 - Heavy-duty solvent-based two-part clear topcoat for exterior applications requiring great durability.

Water Based Sealants

Sheath® WS12 Water Dilutable Oil - Slightly oily film.
Satin Shield® SS10 Acrylic Polymer Emulsion - Clear, slick film.
ClearLok® Urethane Polymer Emulsion - Hard, durable film.
ClearLok® Max Acrylic/Urethane Emulsion - Clear, hard film, strippable.
Sheath® Plus - Water-soluble oil rust preventive with good corrosion prevention.
ClearLok® SPL  - Water soluble clear topcoat for all metals, applied by spray or immersion.

Metal Cleaners and Conditioners

Powdered Cleaners

Presto Kleen® HP Heavy Duty Cleaner - For iron & steel only.

Acid Conditioners

Presto Prep® P2 Surface Conditioner - For use with Presto Black process.
Safe Prep® Metal Activator Concentrate - For use with Presto Black process.
Oxyprime® Liquid Tool Steel Conditioner - Primer for Tru Temp on tool steels.
Oxyprime® Powder Surface Conditioner - Primer for Tru Temp.
Oxyprime® XP Heavy-Duty Powder - All-purpose primer for Tru Temp.
Oxyprime® XPL Heavy-Duty Liquid - All-purpose primer for Tru Temp.

Mini Finishing Systems

5 Gallon Mini Systems

Mini-Tru Temp Blackening Line BK-TT - 5 Gallon In-house Black Oxide 190° System
BK-1 Mini Presto Black Line - 5 Gallon In-house Cold Blackening System

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