This 2.8 lb/gal VOC compliant, epoxy polyamide primer meets MIL-PRF-23377J, Class C2 composition and performance specification. It is used as a primer under MIL-PRF-85285 polyurethane topcoats.
This product has been qualified by the U.S. Naval Air Warfare Center (NAWC) Patuxent River, MD to MIL-PRF-23377J, Type I, Class C2.2.8 lb/gal VOC.Excellent chemical, solvent and corrosion resistance.For aluminum with chromate Conversion coating or anodized aluminum, it offers excellent filiform resistance. | Characteristics | | | Gloss | 10-20 (60°) | | Volume Solids | 45% Catalyzed | | Viscosity, 25 seconds (max.) #2 Zahn Cup | Catalyzed | Recommended Film Thickness
Mils Wet
Mils Dry |
1.3-2.0
0.6-0.9 | | Spreading Rate (no application loss) | 802-1203 sq ft/gal @ 0.6-0.9 mils DFT | Drying (0.8 mils dft, 77°F, 50% RH)
Tack Free
Dry Hard
To Recoat
Force Dry |
5 hours
8 hours
2 hours
To dry hard, 45-60 minutes at 140°F | | Flash Point | 22°F Pensky-Martens Closed Cup | Mixing Ratio (by volume)
3 parts
1 part |
E90G203 or E90G205
V93V230 | | Induction Time | 30 minutes | | Pot Life | 4 hours at room temperature. Higher temperature will shorten pot life | | Package Life | 1 year, inside storage | |
Air Quality Data
Non-photochemically reactive
Volatile Organic Compounds (VOC):
- Part A as packaged, maximum 2.85 lb/gal, 342 g/L
- V93V230 as packaged, maximum 2.63 lb/gal, 316 g/L
- catalyzed as above, maximum 2.8 lb/gal, 340 g/L
Aluminum: Clean with acidic cleaner or other appropriate cleaner depending on contamination. Pretreat with chromate conversion coating MIL-DTL-5541F, wash primer DOD-P-15328D, E90G4, or anodize per MIL-A-8625F.
Testing: Due to the wide variety of substrates, surface preparation methods, application methods, and environments, the customer should test the complete system for adhesion and compatibility prior to full scale application.
Product Limitations:
- This product must be properly mixed (catalyzed) before using.
- Surface preparation is important for performance.
- For good adhesion, parts primed need to air dry a minimum of 2 hours before topcoating. If parts have been primed for longer than three days, they must be sanded or recoated with a mist coat before topcoating for good adhesion.
- These primers contain strontium chromate.
Safety Data Sheet
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