ECO-SAFE CHEMICALS

Rust Removal Process Comparison Chart

TYPE OF PRODUCT	ECO-SAFE CHEMICALS(Selective Chelation)	ACIDIC CONVERSION PRIMER PAINT	MEDIA BLAST	ELECTROLYSIS	STRONG ALKALI	STRONG ACID
PERSONNEL SAFETY	Completely Safe, non-toxic, not an eye or skin irritant.	Corrosive & Toxic	Inhalation, heat, and blast hazard	Corrosive & Toxic	Very corrosive & toxic	Very corrosive & toxic
SAFETY ON SURFACES	Completely Safe and can reach all surfaces	Attacks soft metals	Can harm thin metals, removes paint on visible surfaces	Attacks soft metals & can cause hydrogen embrittlement	Attacks soft metals and paint	Attacks soft metals and causes hydrogen embrittlement
FLAMMABILITY	Non-Flammable	Flammable	None	Generates explosive hydrogen	Non-flammable	Generates explosive hydrogen
EASE OF USE	Soak parts at room temperature without agitation	Must be brushed or sprayed onto the surface	Labor Intensive	Requires strictly controlled DC current	Must be heated without agitation	Soak parts at room temperature without agitation
EQUIPMENT REQUIRED	Immersion Tank	Brushes, sprayers, ventilation, gloves, respirator, apron	Blasting equipment, ventilation	DC Rectifier, ventilation, gloves, respirator, apron	Ventilation, gloves, respirator, apron	Ventilation, gloves, respirator, apron
POTENTIAL ERRORS	None	Thick coats will peel off	Damage to metal, equipment and personnel	Damage to thin metal areas	Using too long causes part deterioration	Using too long causes part deterioration
EFFECTIVENESS	Removes all Ferric/Ferrous Oxides (Rust), even in tight places.	Only converts surface rust	Only removes surface rust	Only removes surface rust	Will remove all rust	Will remove all rust
RUST INHIBITION	Prevents re-rusting for two weeks	Forms a coating to prevent re-rusting	No protection, parts flash rust quickly	No protection, parts flash rust quickly	No protection, parts flash rust quickly	No protection, parts flash rust quickly
SPEED	Light rust removed in 15 - 20 minutes	Heavy rust must be removed before use	Quick removal but requires set up time for equipment/media	Light rust removed in 3 - 5 minutes	Light rust removed in 45 - 60 minutes	Light rust removed in 5 - 10 minutes
COST PER UNIT	55 Gallon $ 14.00 $ 770.00	55 Gallon $ 64.40 $ 3,542.00	600# $ 0.15 $ 90.00	600# $ 1.30 $ 780.00	600# $ 1.85 $ 1,110.00	55 Gallon $ 18.95 $ 1,042.25
COST OF EQUIPMENT	Under $ 150	Under $ 150	$ 2,000 and up	$ 60,000 and up	$ 5000 and up	$ 5000 and up
COST OF LABOR	Minimal	200 square ft/hour with a brush	300 square ft/hour	Minimal	Minimal	Minimal
AVG. PRODUCT $/FT² SURFACE	$ 0.05	$ 0.32	$ 0.01	$ 0.02	$ 0.12	$ 0.12
EPA REPORTING REQUIRED	None	Contains VOC's	None	None	Yes, if 2000# on site	Yes, if 2000# on site
DISPOSAL OF WASTE	Sewer-able in most cases Ph Levels are only 3-4	Landfill waste material	Remove media and landfill if paint present	Neutralize & landfill sludge	Neutralize & landfill sludge	Neutralize & landfill sludge