|
TYPE OF
PRODUCT
|
EVAPO-RUSTTM (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
|
Attacks soft metals
|
Can harm thin metals, removes paint
|
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, ventiliation, 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 5 - 10 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
$ 12.45
$ 685.00
|
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 |
Sewerable in most cases
|
Landfill waste material
|
Remove media and landfill if paint present
|
Neutralize & landfill sludge
|
Neutralize & landfill sludge
|
Neutralize & landfill sludge
|
