PRODUCT USES
MCU-104 provides outstanding galvanic and barrier protection for carbon steel substrates. It can be applied over abrasive blasted or power tool cleaned steel to provide extraordinary Zinc cathodic protection under high performing chemical resistant epoxies and polyurethanes. Excellent as a Primer in chemical plants, refineries, pulp and paper mills, power plants, waste and water treatment plants, electric generating stations, fertilizer plants, food processing, tank exteriors, structural steel, offshore platforms, pipe lines, material handling equipment, bridges, pharmaceutical plants, ore processing operations, marine installations and in many other applications.
PRODUCT FEATURES
Excellent “wetting out” and adhesion to sound rusty steel.
Fast recoating, within 4 hours at 75°F.
Cures down to 25°F on dry surfaces.
“Open” recoat window with proper cleaning.
Passed 1,500 hours in salt spray cabinet.
Can cross-hatch recoat directly with Epoxy or Polyurethane Coatings.
Maybe applied up to 95% humidity.
Accepts high heat, up to 300°F dry.
Provides “galvanic” steel protection.
Excellent as field touch-up coat for Inorganic Zinc Primers.
Details
| COLORS | Gray |
|---|---|
| FINISH | Low sheen |
| VOLUME SOLIDS | 52% ± 2% |
| WEIGHT SOLIDS | 82% ± 2% |
| V.O.C. | 3.5 lbs/gal (420 gms/liter) |
| COVERAGE (Theoretical) | 834 sq. ft. @ 1 mils DFT |
| RECOMMENDED THICKNESS | 2.5 – 3.5 mils DFT (238 – 334 sq ft/gal) |
| PACKAGING | 1 Gallon Kits |
| MIXING RATIO | Two component – Zinc Dust & Liquid (mix entire content of the 1 gal Kit) |
| INDUCTION TIME | None |
| POT LIFE | 8 hrs maximum depending on relative humidity and temperature |
| APPLICATION | Roll, brush, spray |
| APPLICATION TEMPERATURE | 25°F to 120°F |
| RECOAT TIME | At 75°F and 50% R.H. 4 hrs. |
| DRY SERVICE TEMPERATURE | Up to 300°F |
| THINNING | Up to 5% with SA-50 |
| CLEAN UP | S-74 Thinner |
| SHELF LIFE | 1 year when stored inside @ 50°F – 90°F |