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EVAPO-RUSTEvapo-Rust is a patent pending

non-hazardous rust remover that employs a unique selective chelating agent to remove rust (iron oxide) without posing any health or environmental hazards.

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EVAPO-RUSTINNOVATIVE TECHNOLOGY

1. WINNER - R&D’s “TOP 100 INVENTIONS AWARD ”2. WINNER - CleanTech’s “Outstanding Technology in Industrial Cleaning ”

3. Nominated - President’s Green Chemistry Award4. NO LABOR * NO ACIDS/CAUSTICS * SAFE ON SKIN!5. UNIQUE - Works by Selective Chelation at pH 6 - 7 (neutral)6. REPLACES Acids, Caustics, Electrolysis, Even Media Blasting7. NO Health or Environmental Hazards8. FEATURE of dozens of articles in trade publications spanning the Automotive, Marine,

RV, and Manufacturing Industries.

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HOW TO USE EVAPO-RUST PREPARATION (suggestions for best results):

CLEAN & RINSE THE ITEM PRIOR TO DE-RUSTING: (Item should be free of mud, dirt, loose rust, oil, and grease.)

WHY?1.) EVAPO-RUST DOES CONTAIN A SURFACTANT TO HELP IT OVERCOME DIRT,

OIL, AND SOME GREASES. HOWEVER, EVAPO-RUST IS A RUST REMOVER, NOT A CLEANER AND THE PERFORMANCE MAY BE AFFECTED, ESPECIALLY FROM GREASES.

2.) EVAPO-RUST IS SEWERABLE AS SUPPLIED. ADDING OILS AND GREASES MAY CHANGE THE STATUS OF THE DISPOSAL. IF YOU ARE ONLY DE-RUSTING CLEAN STEEL, ALL THAT REMAINS IS CHELATED IRON AND WATER. IN MOST CASES, ONLY THE IRON CONTENT SHOULD DICTATE THE DISPOSAL REQUIREMENTS. (check local restrictions and dispose of according to local, state, and federal guidelines.

3) RINSING ASSURES YOU WILL NOT BE DRAGGING OTHER CLEANERS INTO THE EVAPO-RUST SOLUTION. RAISING THE pH OF EVAPO-RUST WITH OTHER CHEMICALS CAN RENDER THE SOLUTION USELESS.

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HOW TO USE EVAPO-RUST

COMPLETELY IMMERSE ITEM EVAPO-RUST 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 bath temperature. EVAPO-RUST is water based, therefore the process will slow down as temperature decreases and increase as temperature increases. We recommend utilizing EVAPO-RUST at a bath temperature above 60° F.

Once rust is removed, rinse item with water. You can now paint, plate, or apply a long term Corrosion Preventative Compound (CPC). For short term rust inhibition, simply dip the item in EVAPO-RUST and allow to dry. Rinse with water before painting, plating or applying a CPC.

Pictures from SW Regional-San Diego Naval FacilityPictures from SW Regional-San Diego Naval Facility

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Evapo-Rust Health & Environmental Analytical

• Operating pH - 6 to 7• Non-Hazardous• No VOC - NO HAP• Non-Corrosive (NACE TH0169 = <6.35 mm/yr)

• Not Orally Toxic (LD50 >5g/kg)

• Not Dermally Toxic (LD50 >2000mg/kg)

• Not an eye irritant (MMTS = 0.0)

• Not a skin irritant (PDII = 0.9)

• Spent material is Non-Hazardous• Removes rust by Selective Chelation• No DOT Restrictions

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EVAPO-RUST works at a pH of 6.1 to 7 (neutral) through selective EVAPO-RUST 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 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 bond with metals and holds them in solution. Most chelating agents bind many different metals. The active ingredient in EVAPO-RUST bonds to iron 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 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.iron from steel because the iron is held much more strongly.

How Does Evapo-Rust Work?

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Limits/Advantages of Evapo-Rust• Evapo-Rust specifically targets Iron oxide*• Evapo-Rust does not harm aluminum, brass, copper,

plastic, rubber, silicon, wood, felt, or glass (de-rust without dis-mantling)

• Evapo-Rust must be used as a liquid (wet process)• Evapo-Rust does not affect plating• Evapo-Rust does not affect non-oxide paints• Evapo-Rust works best above 60 F• Evapo-Rust does remove “sacrificial coatings” such as

bluing, browning, zinc, or other oxides.*Hematite -   Fe2O3 and- Fe(OH)3 , Goethite are not affected by Evapo-Rust™

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Who Uses Evapo-Rust?• Anniston Army Depot

– Goals/Application• Acid & caustic reduction

• Non-Hazardous Rust remover

• Used as short term inhibitor (indoors)

– Engine Maintenance Facility• 1650 gallons in a 2,000 gallon dip tank

• Continuous & Maintenance Free Service for over 3 Years (over 7 million #’s of steel de-rusted).

• Utilized as a cold soak to de-rust and coat– Blocks

– Heads

– Cams

– Cranks

– Rods

– Shafts

– Multi-substrate assemblies

Anniston: “At this time, I have heard no negative comments made about the product; only praise. The operators enjoy the ease of use and the supervisors love the results.”

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• Ft. Hood– Goals/Application

• Reduce hazardous waste/work environment

• Acid/Hazardous Materials inventory reduction

• Decrease Maintenance Burden

– Result

• 1 Gallon stock item in Haz*Mart, order item in other sizes, (5 gallon, 55 gallon)

• Utilized in DoL & shop level on tools, track, Hoffman Device

• Decrease in hazardous waste and inventory

• Reduction in man hours spent on derusting

• Increase in man hours available for vehicle recovery

• Increased reliability from visual inspection of parts

• Reduction in equipment loss due to abrasion or etching from wire brush, media and acid

Who Uses Evapo-Rust?

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• SW Regional - San Diego (Naval Shipyard)– Goals/Application

• De-rust new and used engines and parts without damaging surface

• Reduce hazardous waste/work environment

• Acid/Hazardous Materials inventory reduction

• Decrease Maintenance Burden

– Result• Process implementation in a 550 Gallon Vat for

engines and related parts

• Decrease in hazardous waste and inventory

• Reduction in man hours spent on derusting

• Reduction in equipment loss due to abrasion or etching from wire brush, media and acid

Who Uses Evapo-Rust?

Engines in picture soaked for 1-2 Engines in picture soaked for 1-2 hourshours

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MORE EVAPO-RUST USES/USERS

1. DEPOT LEVEL MAINTENANCE2. NAVAL SHIPYARDS3. AIR FORCES TOOL CRIBS4. CONSTRUCTION5. FORENSICS6. WEAPONS/GUNS7. MANUFACTURING & OEM’s8. RE-MANUFACTURERS9. PIPLINE & PIPE YARDS10. ENGINES/AUTOBODY11. MARINE/BOAT REPAIR12. TURBINES13. MUSEUMS/ANTIQUES14. METALWORKING

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EVAPO-RUST COMPARISONEvapo-

RustAcid Caustic Chemical

ConvertersElectrolysis Blast -

GrindToxic NO YES YES YES YES NOInhalation Hazard NO YES YES YES YES YESEye Irritant NO YES YES YES YES YESSkin Irritant NO YES YES YES YES YESPPE Required NO YES YES YES YES YESCorrosive NO YES YES YES YES NODamages surfaces NO YES YES YES YES YESFlammable/ExplosiveProcess

NO YES NO YES YES NO

Hazardous NO YES YES YES YES NOVOC’s NO YESEnvironmentalControls Required

NO YES YES YES YES YES

Skilled/Trained Labor NO YES YES YES YES YESSpill/Release Hazard NO YES YES YES YES NOEPA Reporting NO YES YES YES NO NODOT Restrictions NO YES YES YES NO NODisposalTreatment/HazardousWaste

NO YES YES YES YES YES

Rust Inhibitor YES NO NO YES NO NORemoves ALL Rust YES YES YES NO NO NOSpeed on light rust 5-30 min. 5-10

min.45-60min.

3-5 min. 3-5 min. 5-10min.

Equipment Cost <$150 >$5000 >$5000 <$150 >$60,000 >$2000Avg. $/FT2 $0.05 $0.12 $0.12 $0.32 $0.02 $0.01Application Dip Dip Dip Spray/Brush Dip Manual

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Evapo - Summary• Lower labor cost, low retraining cost, low prep

• No Environmental or Personal Safety Hazards

• Average cost of 4-6 cents per pound of steel

• Sewerable waste in most cases

• Non-corrosive, safe for multi-metals & seals

• $5-150 - typical equipment set up cost

• Improves morale

• Wet process