Additional Product Information

Overview

ALEXIT Activated Thinner 901-72 is a high-performance aviation-grade activated thinner designed for use with ALEXIT high-solids polyurethane coating systems. Engineered specifically for aircraft exterior applications, it ensures optimal application viscosity, superior flow characteristics, and consistent film formation when used in combination with approved ALEXIT base and topcoat systems.

This formulation supports high-end aerospace coating requirements, delivering excellent compatibility, environmental compliance, and reliable performance in demanding operational conditions.

Key Technical Specifications

• Product Type: Activated thinner for polyurethane coating systems
• Application Volume: 3 litres
• Coating System Compatibility: ALEXIT H/S BaseCoat 411-22 and ALEXIT H/S Topcoat 411-77
• Base Chemistry: High-solids polyurethane system support
• Primary Function: Viscosity adjustment and application optimisation
• Performance Characteristics: Enhanced flow, leveling, and spray performance
• Environmental Compliance: Meets aviation VOC requirements

Approvals & Specifications

• AMS 3095A
• AIMS 04-04-023 (Airbus)
• AIMS 04-04-025 (Airbus)
• AIMS 04-04-033 (Airbus)
• AIMS 04-04-037 (Airbus)
• AMMS 2503 Type II Category 1 (Avic XAC)
• CMS-CT-102 (COMAC)
• A2MS (Airbus Canada) / BAMS 565-018 (Bombardier)
• DHMS C4.30 (de Havilland)
• AVN 7.004 (BAe)
• MEP 10-125 (Embraer)
• MS25D15 (Avic)

Typical Aircraft MRO & AOG Applications

• Aircraft exterior coating preparation and application
• Use in OEM and MRO polyurethane coating systems
• Surface refinishing and repainting operations
• Aircraft fuselage and structural exterior coating work
• Fast-turnaround AOG paint repair and touch-up applications

Surface Pre-Treatment Requirements

• Ensure all BaseCoat or Topcoat surfaces are free from oil, grease, glue residues, and other contaminants
• Clean surfaces using suitable cleaning agents where necessary
• Recommended: ether-based solvents such as ALEXIT BC/CC Surface Cleaner 904-55
• Remove all dust and particulate contamination using a tack rag prior to application

Compatibility & Safety Notes

• Designed exclusively for use within approved ALEXIT coating systems
• Ensure proper ventilation during use in confined environments
• Follow standard aviation chemical handling procedures and PPE requirements
• Do not mix outside of approved system combinations

Packaging & Procurement

• Supplied in 3-litre containers
• Intended for professional aerospace coating operations
• Suitable for OEM production lines and MRO maintenance facilities

Why ALEXIT Activated Thinner 901-72 Is Chosen for MRO & AOG

• Ensures optimal spray and application performance for high-solids polyurethane systems
• Supports consistent gloss and finish quality in exterior coatings
• Meets extensive global aerospace qualification standards
• Improves efficiency in time-critical aircraft repaint and repair operations
• Reliable performance under demanding aviation maintenance conditions

Alternative Names

• Aircraft Polyurethane Activated Thinner
• Aviation Coating System Reducer 901-72
• ALEXIT H/S Coating Thinner
• High-Solids Aerospace Paint Thinner