PPG CA8000/S31-KCJ0 (5-KG)

Desothane® HS CA8000 Polyurethane Topcoat

Overview

Desothane® HS CA8000 is a high-solids, low-VOC polyurethane aerospace topcoat designed to provide long-term protection and decorative finishing for aircraft exterior surfaces. Engineered for application over Desoprime™ epoxy primers, it delivers exceptional gloss retention, color stability, fluid resistance, and environmental durability while maintaining performance across a wide range of operating conditions. The coating is qualified to numerous aerospace OEM specifications and meets the performance requirements of MIL-PRF-85285.

Key Technical Characteristics

• Product Type: High-solids polyurethane aerospace topcoat
• Finish: High-gloss decorative exterior coating
• Mix Ratio (by Volume):
  • CA8000 Base: 2 parts
  • CA8000B Activator: 1 part
  • CA8000C Series Reducer: 1 part
• VOC (Ready for Use): <420 g/L
• Recommended Dry Film Thickness: 50-75 ?m (2-3 mils)
• Service Temperature Range: -54°C to +177°C (-65°F to +350°F)
• Gloss Level: ?90 units at 60° gloss angle
• Dry Film Density: 1.54-1.55 g/cm�
• Theoretical Coverage: 9-10 m�/L at 60 ?m DFT

Core Performance Benefits

• Excellent gloss and color retention
• Outstanding adhesion to approved epoxy primer systems
• Excellent resistance to aviation fluids and environmental exposure
• High-solids formulation reduces VOC emissions
• Wide application window for varying environmental conditions
• Durable exterior finish for commercial and military aircraft
• Maintains appearance and protection during long-term service
• Compatible with numerous aerospace OEM coating systems

Typical Applications

• Aircraft exterior fuselage coatings
• Commercial aircraft paint systems
• Military aircraft exterior finishing
• Aerospace OEM manufacturing
• Aircraft maintenance and repainting programs
• Exterior composite and metallic aircraft structures
• High-performance aerospace topcoat systems

Material Engineering & Design Features

Desothane® HS CA8000 is formulated as a high-performance polyurethane coating system that combines decorative appearance with environmental protection. The coating provides long-term resistance to UV exposure, aviation fluids, and operational wear while maintaining high gloss and color stability throughout its service life.

The product is qualified to numerous aerospace specifications including:

• AIMS 04-04-012
• AIMS 04-04-013
• AIMS 04-04-025
• AIMS 04-04-031
• AIMS 04-04-032
• AMS 3095
• BAMS 565-002
• BAMS 565-009
• BMS 10-60 Type 2
• BMS 10-72 Type 8
• BMS 10-125
• BS2X34B
• DHMS C4.04
• HMRC0155A
• MSRR 1006

It also meets the performance requirements of:

• AIMS 04-04-014
• MIL-PRF-85285

Installation & Handling

• Apply only to clean, dry, properly prepared primed surfaces
• Recommended application temperature: 15°C to 35°C
• Recommended relative humidity: 20-90%
• No induction time required after mixing
• Apply 2-3 coats to achieve 50-75 ?m dry film thickness
• Allow first coat to tack before applying subsequent coats
• Flash-off time after final coat: 30 minutes
• Compatible with:
  • Electrostatic Air Spray
  • Electrostatic Air-Assisted Airless Spray
  • HVLP Spray
  • Conventional Air Spray
• Recommended solvent cleaners: DeSoto® CN20, CN44, or Desoclean™ 45

Environmental & Compliance Notes

• Low-VOC aerospace coating technology
• Store between 5°C and 35°C (41°F and 95°F)
• Shelf Life:
  • CA8000 Base: 24 months
  • CA8000B Activator: 24 months
  • CA8000C Series Reducers: 24 months
• Refer to Safety Data Sheet (SDS) before use
• For industrial and aerospace use only
• Minimum 48-hour waiting period recommended before aircraft return-to-service after repainting

Key Advantages for Aerospace Use

• Excellent long-term gloss and color durability
• Qualified to numerous aerospace OEM specifications
• Provides durable protection against fluids and weathering
• Low-VOC formulation supports environmental compliance
• Wide application window simplifies painting operations
• Compatible with approved aerospace epoxy primer systems
• Suitable for OEM production and aircraft repainting programs
• Meets MIL-PRF-85285 performance requirements