PPG EC75/TN186-KBH0 (5-Ltr-Tin)

Additional Product Information

Overview

EC75 is a high-performance, two-pack epoxy topcoat designed to protect internal structures of aircraft and land-based equipment. Trusted by maintenance, repair, and overhaul (MRO) teams, it offers excellent adhesion, chemical resistance, and versatility across multiple gloss levels. This reliable coating ensures durability and optimal surface performance in demanding aerospace and industrial environments.

Key Technical Specs for EC75 Epoxy Topcoat

• Type: Two-pack epoxy topcoat
• Size/Volume: Available in multiple container sizes (refer to Packaging section)
• Color: Wide range of colors available
• Viscosity/Consistency: AFNOR2.5 58 67 s, AFNOR4 16 18 s, BSB3 30 35 s, BSB4 18 21 s, FORD4 15 17 s, ISO3 55 70 s, ISO4 24 33 s, ZAHN2 20 22 s
• Cure/Working Time: Pot life 8 hours @ 21 25 C (70 77 F); Full cure 7 days at 23 C (73 F), 3 hours at 70 C (158 F)
• Tensile/Peel Strength: Excellent adhesion over epoxy and polyurethane primers
• Shore Hardness: Not specified (refer to manufacturer for detailed mechanical properties)
• Service Temperature: Recommended application 15 35 C (59 95 F), Relative Humidity 30 85%
• Typical Uses: Aerospace internal structures, land-based machinery requiring chemical resistance
• Shelf Life: Base/Activators 24 months unopened, Thinner 10 years unopened

Approvals & Specifications

• DEF STAN 80-161
• MSRR9064
• Compatible with primers/fillers: BS2X32, BS2X33A+B, Def Stan 80-206, 80-207, 80-216

Typical Aircraft MRO / AOG Applications

• Protective topcoat for internal fuselage structures
• Overcoating aircraft hydraulic and mechanical components
• Maintenance coatings on military and commercial aircraft
• Rapid response AOG situations requiring durable chemical-resistant finishes

Compatibility & Safety Notes

• Compatible substrates: Epoxy and polyurethane primers
• PPE: Gloves, eye protection, and adequate ventilation recommended
• Handling: Store components at 15 30 C (59 86 F) for 24 hours prior to mixing
• Cleaning: Use DeSoto CN20, CN44 or Desoclean 45 solvent cleaners for equipment

Packaging & Procurement

• Available in multiple container sizes; see manufacturer for market packs
• Easy-to-use two-pack mixing system with activators and thinners
• Storage: 5 35 C (41 95 F) to maintain shelf life

Why EC75 Epoxy Topcoat is Chosen for AOG / MRO

• Fast application and dry-to-overcoat times for urgent maintenance needs
• Reliable chemical and fluid resistance reduces rework and downtime
• Versatile gloss levels for aesthetic and functional customization
• Portable and compatible with spray or brush application methods

Practical Suggestions for Your Team (AOG Mindset)

• Keep essential activators and thinners in stock for rapid deployment
• Store base and activators under recommended temperature conditions
• Provide staff training on proper mixing, application, and safety procedures
• Maintain clean application equipment to prevent contamination and ensure consistent finish

Manufacture / Aviation Spec Codes

• Manufacturer: PPG Aerospace
• Product ID: EC75 Epoxy Topcoat
• MIL/OEM/Export Codes: DEF STAN 80-161, MSRR9064

Alternative Names & Descriptions

• EC75 Topcoat
• PPG EC75 Epoxy
• EC75 ACT65 / ACT66 / ACT67 / ACT68
• EC75 Epoxy Coating System
• Aircraft Internal Epoxy Topcoat