PPG 54402047 KAHA (1.32 US gal / 5 Ltr Tin)

Additional Product Information

Overview

PPG 54402047-KAHA is a high-performance two-component polyurethane aerospace topcoat trusted by aircraft engineers and ground crews across both military and commercial aviation. It provides long-lasting protection against UV exposure, hydraulic fluids, and environmental wear, helping aircraft surfaces remain durable, compliant, and visually consistent. Supplied in a 5-litre (1.32 US gallon) tin, it is well suited for routine MRO maintenance as well as urgent AOG repairs, supporting reduced downtime and reliable, certified performance.

Key Technical Specs

• Function: Two-component polyurethane topcoat for aerospace applications
• Composition: Polyurethane resin with hardener
• Colour: Grey Gloss (BAC707 M9001)
• Application Methods: Brush, spray, or conventional coating techniques
• Operating Environment: Suitable for standard aircraft service conditions
• Pack Size: 5 litres (5 L / 1.32 US gallons)
• Structural Role: Non-load-bearing; protective surface coating only
• Shelf Life: 24 months (720 days) from manufacture
• Hazard Classification: UN1263, Class 3 flammable liquid, Packing Group II

Approvals & Specifications

• Military Specification: MIL-PRF-85285 compliant
• OEM Part Number: 100783
• ECCN: EAR99
• OEM Acceptance: Approved and widely used across commercial and military aircraft fleets for topcoat and surface protection applications

Typical Aircraft MRO / AOG Applications

• Protective coating for internal and external aircraft surfaces
• Resistance to aviation fluids, including hydraulic fluids such as Skydrol
• UV-resistant finish that maintains gloss and colour stability
• Rapid surface restoration during AOG or emergency maintenance events
• Supporting continuity of MRO operations by minimizing aircraft downtime

Compatibility & Safety Notes

• Compatible with standard aerospace primers and existing approved coating systems
• Flammable material; use appropriate PPE including gloves, goggles, and respiratory protection
• Apply only in well-ventilated areas and follow the Safety Data Sheet (SDS)
• Designed for accurate application with minimal waste in hangar or field environments

Packaging & Procurement

• Supplied in a single 5-litre (1.32 US gallon) tin
• Typical shelf life of 24 months when stored correctly
• Commonly stocked by MRO facilities and AOG support teams

Why Chosen for AOG / MRO

• Excellent durability against fluids, UV exposure, and environmental wear
• Predictable curing and finish from a proven two-component system
• Fast application supports urgent repairs and reduced aircraft downtime
• Meets MIL-PRF-85285 and OEM standards for certified aerospace performance

Practical Suggestions for AOG / MRO Teams

• Maintain multiple 5-litre tins in hangars and AOG inventories
• Ensure technicians are trained in correct mixing ratios and application techniques
• Use as a standard topcoat for urgent surface repairs and repainting tasks
• Rotate stock using FIFO practices to maintain shelf life compliance

Manufacture / Aviation Spec Codes

• Manufacturer Part Number: 100783
• Aerospace Specification: MIL-PRF-85285
• OEM Usage: Commonly used across Boeing, Airbus, Lockheed Martin, and other approved fleets

Alternative Names & Descriptions

• PPG PU66 5440 Topcoat
• PPG Polyurethane Aerospace Topcoat
• PU66 5440 Series Grey Gloss
• PPG 5440 KAHA Protective Finish
• PU-665440/2047
• 54402047
• PU665440 BAC707 Grey
• Aerodur Finish C21/100