Intrepid Coatings MIL-PRF-23377KTY1CLC2 (2-Usgl-Kit)

Additional Product Information

Overview

The MIL-PRF-23377K Class C Epoxy-Polyamide Primer is a two-component, low-VOC, high-build primer engineered for exceptional corrosion and chemical resistance on interior and exterior surfaces. Widely used in aviation and MRO environments, it provides a reliable base for aliphatic polyurethane topcoats. Maintenance teams depend on it for its fast curing, durability, and compliance with environmental regulations, making it a go-to solution for high-performance protective coatings.

Key Technical Specs for MIL-PRF-23377K Class C Epoxy-Polyamide Primer

• Type: Two-component epoxy-polyamide, strontium chromate primer
• Size/Volume: Packaged kit (Component A + Component B)
• Color: Type I Yellow, Type II Dark Green
• Viscosity/Consistency: Suitable for spray, brush, and roller application (high-build)
• Cure/Working Time: Tack-free within 5 hours, dry-hard within 8 hours; pot life 4 hours
• Tensile/Peel Strength: Provides robust adhesion to metal substrates
• Shore Hardness: Not applicable (primer coating)
• Service Temperature: Suitable for interior and exterior metal surfaces
• Typical Uses: Primer under aliphatic polyurethane topcoats; corrosion and chemical protection
• Shelf Life: 1 year from date of manufacture

Approvals & Specifications

• Meets MIL-PRF-23377K Class C military specification
• Compliant with low-VOC regulations (Maximum VOC: 340 g/l / 2.8 lbs/gal)
• Formulated for aerospace and industrial protective coatings

Typical Aircraft MRO / AOG Applications

• Surface preparation for military and civilian aircraft structures
• Corrosion protection on aluminum and steel airframe components
• Interior and exterior aircraft MRO maintenance coatings
• Touch-up and restoration of protective coatings in AOG scenarios

Compatibility & Safety Notes

• Compatible with aluminum, steel, and other common aircraft substrates
• Use appropriate PPE: gloves, eye protection, and respirators for spray applications
• Handle in well-ventilated areas; follow standard epoxy safety procedures

Packaging & Procurement

• Packaged in pre-measured Component A and Component B kits
• Easy to mix and apply by spray, brush, or roller for small areas
• Store in a cool, dry area; maintain shelf life up to 1 year
• Available through authorized aviation coating distributors

Why MIL-PRF-23377K Class C Epoxy-Polyamide Primer is Chosen for AOG / MRO

• Rapid drying for faster aircraft turnaround times
• High reliability in harsh chemical and solvent environments
• Versatile application methods for spray, brush, or roller
• Portable kit design simplifies field maintenance and AOG tasks

Practical Suggestions for Your Team (AOG Mindset)

• Stock both Type I Yellow and Type II Dark Green for MRO readiness
• Train maintenance staff in proper mixing and application techniques
• Use mist coats to minimize overspray and maximize coverage efficiency
• Keep spare kits on hand to reduce AOG downtime

Manufacture / Aviation Spec Codes

• Manufacturer: [Insert Manufacturer Name]
• Product ID: MIL-PRF-23377K Class C Epoxy-Polyamide Primer
• MIL/OEM/Export Codes: MIL-PRF-23377K

Alternative Names & Descriptions

• MIL-PRF-23377 Epoxy Polyamide Primer
• Class C Strontium Chromate Primer
• Two-Component Low VOC Epoxy Primer
• Aerospace High-Build Primer
• Type I Yellow / Type II Dark Green Epoxy Primer