Intrepid Coatings MIL-PRF-23377JTY1CLN (2-USgl-Kit)

MIL-PRF-23377J TY.I CL.N Epoxy Polyamide Primer (200Y46)

Overview

MIL-PRF-23377J Type I Class N Epoxy Polyamide Primer (Product Code: 200Y46) is a two-component, low-VOC, non-chromate corrosion-inhibitive epoxy primer designed for aerospace protection of interior and exterior surfaces. It provides a high-build protective coating compatible with aliphatic polyurethane topcoats and is formulated for resistance against solvents and industrial chemicals.

Key Technical Specs

• Product Type: Two-component epoxy polyamide primer
• Specification: MIL-PRF-23377J Type I Class N
• Mix Ratio: 1:1 by volume (Component A : Component B)
• VOC Content: Max 340 g/L (2.8 lbs/gal)
• Viscosity: Max 40 seconds (No. 4 Ford Cup)
• Pot Life: Approximately 4 hours
• Shelf Life: 1 year from date of manufacture
• Tack-Free Dry Time: Within 5 hours
• Dry Hard Time: Within 8 hours
• Recommended Dry Film Thickness: 0.6 � 0.9 mils

Approvals & Specifications

• Conforms to MIL-PRF-23377J aerospace primer specification
• Designed for compatibility with aliphatic polyurethane topcoats
• Formulated for compliance with air pollution regulations (low VOC)
• Non-chromate corrosion-inhibiting formulation

Typical Applications

• Aerospace interior and exterior structural priming
• Corrosion protection for metal substrates
• Primer system for polyurethane topcoat paint systems
• Aircraft maintenance and overhaul repainting systems
• Industrial equipment requiring chemical and solvent resistance

Compatibility & Safety Notes

• Mix Component B into Component A only (never reverse)
• Allow mixed material to stand 30�45 minutes before application
• Thin if required using MIL-T-81772B Type II reducer
• Apply mist coat followed by full coat for optimal film build
• Spraying is the preferred application method; brushing/rolling only for small areas
• Ensure adequate ventilation during application
• Follow Safety Data Sheet (SDS) guidelines for handling and PPE

Packaging & Procurement

• Supplied as two-gallon kit
• Pre-packaged two-component system
• Mix ratio controlled at 1:1 by volume

Why This Product is Chosen for AOG / MRO

• Reliable corrosion inhibition for critical aerospace structures
• Low VOC formulation supports regulatory compliance in maintenance environments
• Fast drying times reduce aircraft downtime
• Compatible with standard polyurethane topcoat systems
• Non-chromate chemistry supports modern environmental requirements

Practical Suggestions for Your Team (AOG Mindset)

• Strictly follow mix order: add Component B into Component A
• Respect induction time (30�45 minutes) before spraying
• Monitor pot life carefully (approx. 4 hours working window)
• Apply uniform mist coat before full coverage to improve adhesion
• Avoid excessive film thickness beyond specified range
• Use spray application wherever possible for consistent finish quality

Manufacturer / Aviation Spec Codes

• Product Code: 200Y46
• Specification: MIL-PRF-23377J Type I Class N
• Product Type: Epoxy polyamide corrosion-inhibitive primer
• Application System: 1:1 two-component epoxy system