PPG 5447/0060(1-LITRE CAN)

5447 PU66 8H Polyurethane Gloss Topcoat Summer Version

Overview

5447 PU66 8H Topcoat Gloss Summer Version is a conventional-solids, two-component flexible polyurethane aerospace topcoat formulated specifically for application in high-temperature and high-humidity environments. Designed for use in conditions above 30°C and up to 80% relative humidity, it provides outstanding weather resistance, excellent fluid resistance and long-term durability for both aircraft interior and exterior protection. The coating is qualified to multiple aerospace specifications and is ideal for OEM production and MRO operations in challenging climatic conditions.

Key Technical Specs

• Product Type: Two-component flexible polyurethane gloss topcoat
• Product Name: 5447 PU66 8H Topcoat Gloss Summer Version
• Technology: Conventional solids polyurethane
• Mix Ratio (Volume): 1 : 1 (Base : Activator 0730/9000) plus thinner as required
• Pot Life: 8 hours at 21-25°C
• Recommended Dry Film Thickness: 30-50 microns
• Theoretical Coverage: 6-8 m�/L at 40 microns DFT
• Dry Film Density: 1.2-1.6 g/cm� (depending on colour)
• Dry Film Weight: 47-64 g/m² at 40 microns DFT
• Gloss: >90 GU (60° gloss meter)
• VOC (Ready for Use): <640 g/L

Approvals & Specifications

• Qualified to Airbus AIMS 04-04-012
• Qualified to BLGG 140301
• Qualified to MDL 5041 Rev 4
• Meets the performance requirements of MIL-PRF-85285
• Compatible with primers qualified to AIMS 04-04-002
• Compatible with AIMS 04-04-003
• Compatible with AIMS 04-04-011
• Compatible with ASNA 4251
• Compatible with BLGG 0900101

Performance Highlights

• Designed specifically for application in hot and humid climates
• Excellent resistance to filiform corrosion
• Outstanding resistance to synthetic and mineral lubricants
• Excellent resistance to phosphate-ester hydraulic fluids
• Outstanding UV resistance and long-term exterior durability
• High-gloss decorative finish
• Long working pot life supports large aircraft painting operations

Typical Applications

• Commercial aircraft exterior topcoats
• Aircraft interior decorative finishes
• OEM aircraft production
• Aircraft repaint programmes in tropical climates
• Maintenance, Repair and Overhaul (MRO)
• Aerospace structural components requiring durable gloss finishes

Compatibility & Safety Notes

• Compatible with approved PPG aerospace primer systems
• Clean surfaces using DeSoto® CN20 or Desoclean™ 45 solvent cleaners before application
• No induction time is required after mixing
• Store all components between 5°C and 35°C
• Condition materials at 15-30°C for at least 24 hours before mixing and spraying
• Refer to the Safety Data Sheet (SDS) before use

Application & Curing

• Mix Ratio: 1 part Base to 1 part Activator 0730/9000 with thinner added to spraying viscosity
• Induction Time: None required
• Pot Life: 8 hours at 21-25°C
• Recommended Application Temperature: 30-35°C
• Relative Humidity: 30-85%
• Apply two cross coats to achieve 30-50 micron DFT
• HVLP Spray Gun: 1.2 mm nozzle at 1.5-2.0 bar
• Pressure Pot: 1.5 mm nozzle at 3-5 bar
• Dust Free: 2 hours
• Dry to Handle: 5 hours
• Dry to Tape: 8 hours at 30°C or 30 minutes at 60°C
• Full Cure: 7-9 days
• Flash-off before force drying: 15-30 minutes at 23°C

Packaging & Procurement

• Supplied as a two-component polyurethane coating system
• Base Component: 5447 PU66
• Activator: 0730/9000
• Recommended Thinner: 0491/9000
• Available through PPG Aerospace authorised distributors

Why This Product is Chosen for AOG / MRO

• Optimised for aircraft painting in hot and humid environmental conditions
• Excellent hydraulic fluid and lubricant resistance for demanding aerospace service
• Outstanding UV durability extends coating service life
• High-gloss finish maintains aircraft appearance over time
• Compatible with established PPG aerospace coating systems

Practical Suggestions for Your Team

• Condition all components to 15-30°C before mixing for consistent spray performance.
• Mix thoroughly and add thinner gradually until the correct spray viscosity is achieved.
• Apply two even cross coats to achieve the specified film thickness.
• Observe the maximum 72-hour overcoat window at ambient temperature.
• Clean spray equipment immediately after use using DeSoto® CN20 or Desoclean™ 45.

Manufacturer / Aviation Spec Codes

• Product Name: 5447 PU66 8H Topcoat Gloss Summer Version
• Manufacturer: PPG Aerospace
• Product Type: Two-component flexible polyurethane gloss topcoat
• Primary Application: Aircraft interior and exterior protective topcoat for hot climate application
• Key Specifications: Airbus AIMS 04-04-012, BLGG 140301, MDL 5041 Rev 4, MIL-PRF-85285