Interlux Primocon Underwater Marine Primer
Primacon is an anti-corrosive primer for all underwater metal surfaces. It will provide an excellent barrier to reduce pitting caused by galvanic corrosion. For non-aluminum underwater metal use any (non-vinyl_ Interlux antifouling paint. An excellent primer for antifouling paint over sanded fiberglass. Primocon can be used as a conversion coating over unknown well-adhered antifouling paint to prevent cracking of new antifouling paint. Primocon will not affect the color of antifouling paint.
- An excellent primer for antifouling paint over sanded fiberglass
- An anticorrosive primer for underwater metal surfaces (including hulls, running gear, and the lower units of outboards and I/O's)
- Reduce pitting of the metal from galvanic corrosion
Available in gallons (ILX-984G) and quarts (ILX-984Q)
- Finish: Matte
- Number of Coats: 3-4
- Application Method: Brush, roller, airless spray, conventional spray
- Coverage (approximate): 301.2 ft²/gal by brush, 142.5 ft²/gal by spray
***WILL SHIP GROUND ONLY TO THE CONTIGUOUS 48 STATES ONLY***
How To Apply
APPLICATION DATA METHOD: Airless Spray, Brush, Conventional Spray, Roller- Pressure Pot or Siphon Cup
NUMBER OF COATS: 3-4 as needed
DRY FILM THICKNESS PER COAT: 1.6 mils (4.8 wet mils)
COVERAGE: 300 sq. ft/gal.
APPLICATION TEMP: 50°F Min. / 95°F Max.
|Temp||To Recoat||To Touch|
|95°F||3 HR||1 HR|
|73°F||5 HR||2 HR|
|50°F||8 HR||3 HR|
Note: Do not overcoat Primocon* with VC Offshore, Baltoplate, VC 17m, VC 17m Extra or 2-part epoxies.
PREVIOUSLY PAINTED SURFACES: Sand with 80 grade (grit) paper. Wipe down with Brush-Ease 433 or Special Thinner 216 to remove sanding residue.
BARE METAL: Surface should be blasted to bright metal. For steel surfaces, grit blasting is preferred. For aluminum or other light alloys, sandblast if possible or grind with medium coarse grade (grit) emery cloth. Remove all blasting/grinding/sanding residues with a clean air line and sweep with a clean brush or broom. (Vacuum clean for best results.) Do not wipe with cloth rages after blasting or sanding as fibers may be pulled out and protrude through the primer coats.
APPLICATION INFORMATION: Apply a minimum of 3 coats of Primocon*. Primocon* may be applied directly to blasted metals if applied within 1 hour after blasting. If sanded or if more than 1 hour has passed since blasting, prime bare metal with self-etching primer. Airless Spray Pressure: 170-204 bar/2500-3000 psi. Tip Size: 0.53 mm/21 thou. Conventional Spray Pressure Pot: Pressure: 3.44-4.47 bar/50-65 psi (gun pressure); 8-10 psi (pot pressure). Tip Size: 1.5-1.8 mm/60-70 thou. Siphon Cup: Pressure: 3.44-4.47 bar/50-65 psi - gun pressure. Tip Size: 1.8-2.2 mm/70-85 thou. When spraying with Siphon Cup equipment, reduce first with Special Thinner 216. Other Apply extra coats of Primocon* over riveted or welded areas. Do not sand between coats of Primocon* or between last coat of primer and first coat of antifouling. There is no maximum overcoating time between coats of Primocon* or between the last coat of primer and the first coat of antifouling paint. It is, however, suggested that after thirty days the surface is sanded and wiped clean before proceeding. Product temperature should be minimum 10°C/50°F and maximum 29°C/85°F. Ambient temperature should be minimum 10° C/50°F and maximum 35°C/95°F. Substrate temperature should be minimum 10°C/50°F and maximum 29°C/85°F. Primocon* prevents leaching of TBT from an underlying antifouling coating provided it is applied at a minimumdry film thickness of 3.5 mils (minimum of 2 coats by roller) & that the film remains intact. We have studied the leaching rate of TBT from a TBT SPC antifouling (such as Micron 44) overcoated with Primocon* (applied as specified) & seen that TBT leaching is prevented. The leaching rate determination method used was ASTM D5108-90 (2002) Standard Test Method for Organotin Release Rates of Antifouling Coating Systems in Sea Water. Do not use under vinyl based antifouling paints such as VC Offshore.
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