▣ PRODUCT
-
Interzinc 52 (Epoxy Zinc-Rich)
▣ PRODUCT DESCRIPTION
-
A two component, metallic zinc rich epoxy primer which complies with the composition and performance requirements of SSPC Paint 20.
▣ INTENDED USES
-
As a high performance primer to give maximum protection as part of any anti-corrosive coating system for aggressive environments including those found on offshore structures, petrochemical facilities, pulp and paper plants, bridges and power plants.
-
Interzinc 52 has been designed to provide excellent corrosion resistance in both maintenance and new construction situations.
▣ PRACTICAL INFORMATION FOR INTERZINC 52
-
Color : Blue, Gray, Green
-
Volume Solids : 59% ± 2%
-
Typical Thickness : 2-3 mils (50-75 microns) dry equivalent to 3.4-5.1 mils (85-127 microns) wet
-
Method of Application : Airless Spray, Air Spray, Brush
▣ Drying Time
-
Base Temperature : 77°F (25°C)
-
Touch Dry : 75 minutes
-
Hard Dry : 4 hours
-
Overcoating Interval with recommended topcoats
- Minimum : 3 hours
- Maximum : Extended
▣ SURFACE PREPARATION
-
Oil or grease should be removed in accordance with SSPC-SP1 solvent cleaning.
▣ APPLICATION
-
Mix Ratio : 4 part(s) : 1 part(s) by volume
-
Airless Spray - Recommended
: Tip Range 17-21 thou (0.43-0.53 mm)
: Total output fluid pressure at spray tip not less than
2503 psi (176 kg/cm²)
-
Air Spray (Pressure Pot) - Recommended
: Gun DeVilbiss MBC or JGA
: Air Cap 704 or 765
: Fluid Tip E
-
Brush : Suitable - Small areas only
-
Roller : Not recommended
-
Thinner : International GTA220
(International GTA415)
▣ SYSTEMS COMPATIBILITY
-
Interzinc 52 is designed for application to correctly prepared steel. It is possible to apply over approved prefabrication primers. Details of these can be obtained from International Protective Coatings.
-
Recommended topcoats are:
Intercure 200 InterH2O 410
Intercure 420 Interseal 670HS
Interfine 629HS Interthane 990
Intergard 251 Interzone 1000
Intergard 269 Interzone 505
Intergard 475HS Interzone 954
Intergard 740
▣ STORAGE
-
12 months minimum at 25°C (77°F).
-
Subject to re-inspection thereafter. Store in dry, shaded conditions away from sources of heat and ignition.