As seen in PF

  • Birchwood Technologies Polymer Sealant Produces Protective Finish

    Clearlok from Birchwood Technologies is an “all-purpose” water-based polyurethane sealant formulated to provide a protective topcoat on most metal surfaces.

  • Birchwood Technologies Brush-On Solution Blackens Ferrous Metals

    Presto Black BST4 from Birchwood Technologies is a brush-on cold blackener for iron and non-stainless steels that is formulated to produce a durable black finish within 30 seconds.

  • Seven Antique Finish Options

    The antique finish processes offered by Birchwood Technologies are designed to produce a high quality, hand-crafted antique finish that enhances the appearance of the decorative hardware, lighting fixtures and architectural elements.  Birchwood Technologies antique finishes provide a range of colors and tones on most metal surfaces including steel, brass, bronze, copper, pewter, aluminum, silver, nickel and zinc.

  • Birchwood Casey Black Oxide Process Uses Milder Chemicals, Lower Temps

    The Tru Temp black oxide process from Birchwood Casey is a two-stage process that enables the use of milder chemicals at lower temperatures than ordinary black to protect working parts from rust and corrosion.

  • Birchwood Casey Solution Provides Antique Brown Finish

    Antique Brown M38 liquid solution and gel from Birchwood Casey provide oil-rubbed bronze and leather brown finishes that complement natural surfaces such as wood, stone, tile and glass.

  • Metal Cleaners Improve Black Oxide Finish

    Metal surface cleaners and conditioners from Birchwood Casey are designed to improve black oxide coating and other metal finishing processes by removing surface soils.

  • System Cuts Water Use in Black Oxide Processes

    Birchwood Casey’s Near-Zero water recycling system enables users to operate the company’s low-temperature Tru Temp black oxide system using almost no rinse water, providing water savings over conventional flowing rinse systems.

  • In-House Blackening Process Designed for Aluminum Parts

    The BK-LC Mini Lumiclad line from Birchwood Casey is designed to enable in-house blackening of small lots of aluminum parts.

  • Coatings Offer Corrosion Protection for Iron, Steel Components

    Birchwood Casey manufactures three coatings designed to provide corrosion protection for iron and steel components while improving appearance.

  • Line of Rust Inhibitors Protect Variety of Metal Surfaces

    Birchwood Casey manufactures a line of 12 solvent-based and aqueous inhibitors and sealants to prevent rust and corrosion on metal surfaces.

  • In-House Blackening of Ferrous and Non-Ferrous Metals

    In-house black oxide finishing continues to grow in popularity.

  • System Produces Black Oxide Finish at Low Temp

    The Tru Temp low-temperature black oxide process from Birchwood Casey uses no EPA-regulated chemicals to produce a black finish without the drawbacks of high-temperature black oxide.

  • Solution Offers Alternative to Cold Blackening on Iron, Steel Parts

    Birchwood Casey’s MicroLok AO is an environmentally friendly alternative to cold blackening on iron and steel components that offers better corrosion resistance and decreased operating costs, the company says.

  • Brush-On Coatings Add Decorative Finish

    Birchwood Casey’s brush-on coatings provide decorative finishes to copper, brass, steel and aluminum for sculptures, ornamental hardware, and fabricated products and components. 

  • Clear Topcoat for Metal Surfaces

    Birchwood Casey’s Clearlok Max topcoat is a water-based blend of acrylic polymers that forms a scuff-resistant clear coat finish on all metal surfaces.

  • Black Finish for Aluminum Electrical/Electronic Components

    Design engineers requiring predictable chassis grounding and a superior black finish for aluminum electrical assemblies and components have a new option with the Lumiclad black oxide process from Birchwood Casey.

  • Birchwood Casey Launches Black Oxide Video

    A new 3-minute video shows the low temperature Tru Temp finishing process and compares it to conventional hot oxide.

  • Black Oxide System Recycles Process Rinse Waters

    Black Oxide System That Recycles Process Rinse Waters

  • Zero-Discharge Black Oxide Finishing System

    Zero-Discharge Black Oxide Finishing System

  • Non-dimensional Black Oxide Finish for Aluminum

    The Lumiclad process from Birchwood Casey forms a non-dimensional black oxide finish on all aluminum surfaces, and is designed to be clean, durable and tightly adherent to metal substrate. The finish has an inherent lubricity that aids in break-in and resists galling, making it an ideal finishing choice for product assemblies with sliding contacts.

  • Back in Black: Birchwood Casey's black oxide

    Black anodize finishes have long been favored for their thick, hard coating properties. It is also these very same characteristics that often make the anodizing unusable for many military and aerospace applications.

  • Cleaners and Conditioners Improve Finish Quality

    Birchwood Casey’s Presto Kleen HP heavy-duty powdered cleaner and Safe Scrub ST biodegradable liquid cleaner are designed for medium- to heavy-duty soak tank cleaning of iron and steel parts to achieve uniform coating reactions and proper coating adhesion.

  • Metal Cleaners and Surface Conditioners

    Birchwood Casey’s Presto Kleen HP heavy duty powdered cleaner, and Safe Scrub ST biodegradable liquid cleaner are designed for metal component surface preparation prior to black oxide coating and other finishing processes.

  • Corrosion Protection for Iron and Steel Components

    Birchwood Casey has developed a new finish for iron and steel components with a low temperature, environmentally friendly process that serves as a low-cost replacement for polluting cold blackening.

  • Black Oxide Systems

    Birchwood Casey recently delivered two of its Tru Temp CNC automated finishing lines for low temperature black oxide finishing.

  • CNC Finishing System

    Birchwood Casey’s new CNC (computer numerically controlled) TRU TEMP finishing system is designed to be a non-polluting, low temperature system for automatically processing iron and steel components with a high quality black oxide finish.

  • In-House Blackening

    Birchwood Casey’s new Lumiclad black oxide process is an in-house aluminum blackening method which forms a satin black finish designed to finish small stampings, fasteners, screw machine parts or other low-value parts at low cost.

  • Finishing Line

    Birchwood Casey’s new BC40 Tru Temp finishing system is designed to reduce finishing time and improve part quality.

  • Low Temp Black Oxide

    Couplings used in servo motor and other high speed automation applications take on a strong, protective and attractive black oxide finish when treated with Tru Temp low temperature, non-polluting black oxide from Birchwood Casey Metal Finishes, according to the company.

  • Black Oxide Finishing System

    Computer numerical control has arrived for black oxide finishing using the Tru Temp low temperature, non-polluting finishing process.

  • Black Oxide Process

    New brochure features dozens of finished part examples illustrating how the Tru Temp low-temperature blackening process produces a true black magnetite coating of minimal thickness with excellent corrosion resistance.

  • Green Patina Finish

    Patina Green solution, from Birchwood Casey, produces a Verdi green patina finish on copper, brass and bronze surfaces.

  • Rust and Corrosion Barrier

    Dri TouchAmber blocks rust and corrosion on all metals without affecting part operation.

  • Brush-On Blackener

    Presto Black BST4 brush-on liquid is a fast-acting cold blackener for all irons and non-stainless steels.

  • Immersion/Brush-On Bronze And Leather Brown Finishes

    Antique Brown M38 is a versatile, easy process for brush-on finishing of large surfaces or for immersion finishing in batch quantities.

  • Black Magnetite Finishing System

    The BC40 TRU TEMP® finishing system uses a seven tank process line and a patented two-step chemistry, producing a true black magnetite finish of .000020 inch thickness, satin black in appearance and equal to that of conventional hot black oxide.

  • Black Oxide System

    High value tooling components such as toolholders, workholding and turret press tooling take on an attractive and protective black oxide finish when finished with TRU TEMP low temperature, non-polluting black oxide system.  

  • Brush-On Finishing Gels

    Intended for finishing large surfaces, the brush-on Finishing Gels cling to vertical surfaces and stay where they are applied without forming runs and drips or bleeding onto adjoining surfaces.

  • Non-Polluting Black Oxide

    The TRU-TEMP® system produces a high quality, non-dimensional black finish--directly over light heat treat scale--on all types of fasteners and other bul-handled parts.

  • Aluminum Oxide Process

    Microlok AO aluminum oxide process is ideal for iron, steel and powdered metal.

  • Low Temp Black Oxide

    The TRU TEMP finish is said to protect tool surfaces of all types, including wrenches, sockets, pliers, screwdrivers, chisels, etc. with a non-dimensional deposit that does not interfere with the function of the tool.

  • Oil Split Cleaner

    Safe Scrub® OS split cleaner is designed for use in heavy-duty cleaning applications to remove oils and surface soils that are difficult to emulsify.

  • Black Coating System

    Brochure features the patented, low temperature black coating system for iron and steel components that optimizes quality, efficiency and safety.

  • Low-Temp Black Oxide Process

    The TRU TEMP low-temp black oxide process operates at 200°F and is designed to serve as a direct replacement for dangerous hot oxides that normall operate at higher temperatures.

  • Rust Blocker

    The DRI TOUCH® AMBER rust blocker is said to form a colorless, odorless barrier film that is dry-too-the-touch and highly resistant to humidity and corrosion.

  • Low Temperature Black Oxide Process

    The TRU TEMP® metal finishing process is a new low-temperature black-oxide process that operates at only 200°F and is designed to offer safe operation and short process time--without EPA regulated metal content.

  • Multi-Metal Antiquing Concentrate

    M25 Antique Black is designed to make multi-metal finishing simple and easy.

  • Guide to Coloring and Antiquing at Room Temperature

    This guide to coloring and antiquing at room temperatures have antiquing processes for brass, bronze, copper, pewter, aluminum, silver, nickel and zinc.

  • Black Oxide Finish

    The in-house BC40 TRU TEMP® black oxide finishing system is designed to produce high-quality black finishes on iron and steel components in less than 20 min.

  • Blackening and Browning Process

    Company announces its new blackening and browning GELS designed for finishing decorative metalwork.

  • Water-Displacing Rust Preventative

    The DRI TOUCH PLUS coating provides long-term protection, with levels ranging from 80-120 hours of salt spray (ASTM 13117) or several hundred hours of humidity resistance (ASTM D1748). Applied by room temperature immersion or low-pressure spray techniques, the coating can be applied immediately after sintering or after machining, then allowed to dry.

  • Low-Temperature Black Oxide

    Brochure describes the TruTempTM low-temperature blackening process for all non-stainless steels, castings, forgings and powdered metal.

  • Blackening of Ferrous Metals

    The reasons for installing an in-house cold blackening system are many and varied.

  • Streamlining Assembly at Bimba Manufacturing

    Process integrated into company-wide computerized maintenance program...

Birchwood Technologies

Contact Information

Please visit: Birchwood Technologies

Mailing Address:
7900 Fuller Rd.
Eden Prairie, MN 55344 US

Phone: 952-937-7931
Toll-Free: 800-328-6156
Fax: 952-937-7979

A Special Message from Birchwood Technologies


Birchwood Technologies Antiquing and Coloring Processes for Decorative Hardware

Birchwood Technologies- has Antiquing, Blackening and Tank System options to fit your needs.

Free sample finishing, send your sample parts today- there's no obligation.
Call 952-937-7931

Birchwood Technologies has finishing from gold, bronze antiquing to pewter black and complete black oxide processes. Whatever your need is, Birchwood Casey has a solution.

Pre-engineered finishing systems supplied complete start with the BK-TT mini TruTemp or BK-1 Mini Presto® Black 5 gallon line for tool room scale or limited production scale blackening. The BC-20 tank system has large production line features without space and cost requirements. The 40 gallon BC-40 tank line utilizes eight heavy duty welded tanks. The 100 gallon BC-100 tank line utilizes 100 gallon heavy duty welded tanks.

Birchwood Technologies provides a complete line of finishing chemicals and factory support for both startup and ongoing operation.

Product Categories of Birchwood Technologies

  • Antiquing Solutions
  • Blackening Processes, solutions
  • Cleaning Chemicals, aqueous
  • Coatings, waterborne
  • Filtration Equipment, solution
  • Oxide Finishes, colored
  • Rust-Preventive Chemicals and Oils

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