Tried and Tested, Total Rust and Corrosion Protection

Whether your products are being shipped overseas, sitting in inventory on a shelf or waiting for the next metal finishing process, they represent a significant dollar investment.

You want to protect that investment from rust and corrosion.  That’s where Hubbard-Hall can help. Our expert team has decades of experience solving rust and corrosion challenges across industries..

Metal Guard is an excellent choice for both short-term in process work as well as long-term indoor storage. The aqueous line of Metal Guard® rust preventives are completely water-miscible, low to no VOCs and are easily removed for further processing such as plating, painting or powder coating.

The water displacing line of Metal Guard rust preventatives protects your investment by providing excellent long term corrosion protection during indoor storage.

Precise Corrosion Resistance, Lubricity and Decorative Finish with MetalGuard

Precise Corrosion Resistance, Lubricity and Decorative Finish with MetalGuard

The Metal Guard product line offers 42 rust preventative variations that are specific to your needs. These rust preventatives are custom designed to address manufacturing’s hardest problems. Whether you need enhanced lubricity, a dry-to-touch finish, 200 hours of salt spray protection, or short term in-process corrosion protection, we’re here to help.

Hot Test Fluid Corrosion Protection Additive


Metal Guard 830 HTF is a water-soluble, hot test fluid additive designed for high performance internal combustion engines.

Putting The Brakes on Flash Rust


A leading remanufacturer of automotive brake calipers was having problems with flash rust appearing on their finished goods.

Metal Guard® 560 and Metal Guard® 700


Formulations of Metal Guard include: solvent, oil, solvent/oil, acrylic/wax emulsions, water-based (aqueous).

HH Featured Expert talks all things rust.


 For a metal finisher rust is a problem with real consequences. Address your problems with the right chemistry.

Preventing Corrosion Can Save Billions of Dollars


Studies show that the direct costs of corrosion totals $276 billion/year. Improve the quality of the finish with rust prevention.

Rust Never Sleeps, but Metal Guard Can Prevent Corrosion


Rust and oxidation can form on parts, driving up costs
through additional cleaning and surface preparation.

Water Based Corrosion Inhibitors

Operating Temperature
(ASTM D-2247)
Metal Guard 800-D11

Ambient.5-5%48 hrs. (Over bare steel)steel, stainless steel
Metal Guard 830 HTF8.2Ambient to 160° F5-20%50 hrs. (Over bare steel)castings, iron, steel
Metal Guard 85011Ambient2-4%36 hrs. (Over bare steel)iron, steel

Water Displacing Rust Preventative for Dip, Spray or Brush Applications

ProductBaseFlash PointFilm CharacteristicCorrosion Protection
(ASTM B-117)
Metal Guard 450Solvent
142°FDry-to-touch48 hrs. (Over black oxide)x
Metal Guard 510Solvent/Oil145°FOily thin film100 hrs. (Over black oxide)x
Metal Guard 560Solvent/Oil142°FOily thin film180 hrs. (Over black oxide)x

Water Emulsifiable Metal Guard Products

ProductRecommended Operating TemperatureConcentrationCorrosion Protection
(ASTM B-117)
Corrosion Protection
(ASTM D-2247)
Metal Guard 320150°F5-20%100 hr. (Black Oxide, 10% solution)
Metal Guard 700Ambient50-100%360 hr. (Bare Steel, 100% solution)x

Wax Emulsions and Acrylic Resins

ProductPropertiesConcentrationCorrosion Protection
(ASTM D-1735)
Film CharacteristicStable Emulsion
Metal Guard 600Acrylic lacquer50-100%Clear hard filmx
Metal Guard 660Styrennated acrylic laquer50-100%Clear hard filmx
Metal Guard 914Wax emulsion50-100%Soft dry filmx
Metal Guard 916Wax emulsion50-100%Clear non-tacky UV-traceable filmx
Metal Guard 919Wax emulsion50-100%120+ hr. of water fog exposureThin dry filmx
"We've worked with Hubbard-Hall for over 30 years. We rely heavily on their technical expertise. They are extremely responsive. "
Bob McElwee
Cleveland Black Oxide

Let's Talk


Need help choosing the right rust preventative?

Getting the right answer starts with asking the right questions. That’s why we’re here. 1-866-441-5831