Safe Rust Remover FAQ

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Safe & Biodegradable EVAPO-RUST   rust removing easy!

Used by thousands of satisfied customers world-wide such as the US armed forces, engine builders, auto restorers, manufacturers, hobbyists, weapons restorers, and more.  EVAPO-RUST  is an amazing rust remover which reduces maintenance, increases productivity, and decreases costs. 

EVAPO-RUST   non-toxic rust remover removes even deep rust on all types of mild steel and iron.  It is a safe rust removal water based product that does not require any special equipment or personal protective wear.  Safe rust remover a is non-corrosive to steel and does not harm brass, copper, aluminum, gold, lead, titanium, steel, cast iron, solder points, vinyl, plastic, rubber, silicone, glass, cork, or wood.

Safe Rust Removing Features

  • Not a primary eye irritant             Non-Toxic (Dermal or Oral)
  • No VOC's                                      No Solvents
  • No Acids                                         Non-Corrosive
  • Not a skin irritant                          Non-Hazardous   
  • No HAP's                                       Biodegradable
  • No Caustics                                   Non-Flammable

"We tried Evapo-Rust on a variety of corroded parts and were very pleased with the results. It's quick, simple, and, unlike some other products, is non-toxic"..."Busting rust was never easier."

Military rust removal at Fort Hood Texas as featured in Clean Tech Magazine

Anniston Army Depot: Using Evapo-Rust in a 2,000 gallon soak tank. The following quote is not an endorsement only a testimonial to the performance of Evapo-Rust.

"We have used Evapo-Rust to remove rust from a variety of engine components (blocks, heads, cams, cranks, rods, etc.) and some multi-substrate assemblies...The opertors enjoy the ease of use and the supervisors love the results.
Jeremy Turner - Chemical Engineer, Anniston Army Depot

Shore Intermediate Maintenance Activity (SIMA) San Diego - Uses Evapo-Rust in a 500 gallon stainless steel soak tank to remove rust from engines and engine related parts. Pictures available in photo gallery.

HOW Safe Evapo-Rust Remover WORKS

Safe Evapo-Rust   rust remover works at a pH of 6.1 to 7 (neutral) through selective chelation. This is a process in which a large synthetic molecule forms a bond with metals and holds them in solution. Most chelating agents bind many different metals. The active ingredient in EVAPO-RUST bonds to iron exclusively. It can remove iron from iron oxide, but is too weak to remove iron from steel because the iron is held much more strongly.  Click above for more on "How it works" .

How to Use (Directions)

EVAPO-RUSTTM is easy to use. Fully immerse the rusted item in EVAPO-RUST and check progress in about 30 minutes; no scrubbing necessary.

Soak times will vary from 30 minutes to 24 hours depending on severity of rust, type of steel, and temperature. Safe rust remover is water based, therefore the active molecules will slow down as temperature decreases and increase as temperature increases. We recommend utilizing EVAPO-RUST at a bath temperature above 50° F or normal room temperature.


EVAPO-RUST  Safe Rust Remover is highly recommended by the NRA gun-smith school and is utilized by FBI, CIA, NATO and other law enforcement and forensics agencies. EVAPO-RUST perfect for removing weapon finishes such as Bluing, Parkerizing, Zinc Phosphate, and Browning.  Blueing and zinc phosphate coatings (heavy zinc per MIL-DTL-16232 and light zinc per TT-C-490) can be removed both at room temperature (@30 minutes) and 118 dergrees Fahrenheit (@15 minutes). Anodizing, powder coating, chrome, nickel, paint, and most other coatings will not be removed as long as they do not contain oxides.  EVAPO-RUST will not harm lead or solder points. To de-rust the inside of a bore, plug one end and completely fill bore with EVAPO-RUST.  Let sit for approximately 30-45 minutes and pour out. Oil with Nox-Rust 7800 or other corrosion preventative.



Safe biodegradable EVAPO-RUST™  rust remover has a surfactant to aid in penetrating oils and dirt. However the presence of surface contaminants will slow down the rust removal process. The soils must be penetrated before EVAPO-RUST can come in contact with the rust. Additionally, heavy soil residue can shorten the life of EVAPO-RUST . Oil, grease and other soils should be removed prior to de-rusting with a detergent wash or one of our degreasers then rinse the part with water to remove carry over soils and proceed to remove rust.

RUST Prevention Painting Coating Packaging

Once the item has been de-rusted , you have several options:

  1. Wash and rinse the item off and go to the next process for painting, coating, or other process.
  2. Wash & rinse the item off and apply a medium term or long term rust inhibitor.
  3. Wash and rinse the item and dip back into EVAPO-RUST, remove and let dry.    EVAPO-RUST will provide about 10-14 days of rust inhibition, depending storage conditions.  Wash and rinse when ready to paint or apply a long-term corrosion preventative.
  4. Wash and rinse the item and dip back into EVAPO-RUSTTM, remove and let dry. EVAPO-RUSTTM will provide about 10-14 days of rust inhibition, depending on the humidity; wash and rinse when ready to paint or apply a long-term corrosion preventative.
  5. Wash and rinse the item, air or power dry  and place it inside Vapor Corrosion Inhibitor Packaging such as VCI paper or VCI Bags.  When the clean dry corrosion free item is removed from the VCI packaging it is immediately ready for use, further processing, application of a coating or plating.
  6. Air or Power dry the item and place inside VCI packaging.  The item will require a quick wash (rinse) with ordinary water prior to the application of a coating or corrosion inhibitor when the clean rust free part is removed from the VCI packaging.

Rust Remover Shipping  and Disposal Requirements

EVAPO-RUST  is non-hazardous and ships via U.S. Mail, any courier, air freight or regular freight (class 55).  The product is sewer-able in the neat form and, in most cases, only the chelated iron content of the solution will dictate disposal requirements.  The pH of virgin EVAPO-RUST  is 6.1. The pH of the spent solution will vary from 6.1 to 7, which means there is no need to neutralize the already neutral solution. Check with your local water treatment facility and dispose of according to local, state, and federal guidelines.


EVAPO-RUST has an unlimited shelf life and can be re-used until it is completely spent.  The only loss due to evaporation is the water content. 

Safe biodegradable  EVAPO-RUST has a tremendous work load.  One gallon can remove 1/2 pound of pure dry rust.  Rust is about 1/17 the weight of iron by volume.  On average, one gallon de-rusts up to 300 pounds of light to moderately rusted steel.  As the iron is removed from the iron oxide, carbon from the rust is released.  Some parts may have a black film finish after using EVAPO-RUST .   The black is carbon from high carbon steel.  Generally high carbon steel is used in making items that are flexible such as springs, saw blades, etc...   High carbon steel and tool alloy steel items, when de-rusted, will have a darker appearance. The carbon can be removed simply by wiping with a cloth when rinsing with water.

As you de-rust items with the solution the rust remover solution becomes dark.  The more items you de-rust the blacker it becomes.  EVAPO-RUST is spent when it is pitch black and no longer performs.

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