Akzonobel - Formerly Mapaero ISOMAP-P23-HARDENER (2-LTR-CAN)

PRIMER Isomap P23

Overview

Isomap P23 is a three-component polyurethane primer containing strontium chromate, designed for the protection of aircraft interior and exterior structures. It provides corrosion protection and is suitable for use beneath approved aircraft finishing systems.

Key Technical Specs

• Product Type: Three-component strontium chromate polyurethane primer
• Primary Use: Aircraft interior and exterior structural protection
• Components: Base P23 / Hardener P23 / Thinner P2
• Theoretical Coverage: 13 m²/L for 20 µm (0.8 mils) dry film thickness
• Dry Film Weight: 1.8
• VOC Content: 720 g/L (ISO 11890-1 and ASTM 3960)
• Recommended Dry Film Thickness: 15 to 25 µm (0.6 to 1 mil) dry
• Wet Film Thickness: 80 to 130 µm (3.2 to 5.1 mils)
• Pot Life: 8 hours at 23°C
• Induction Time: None

Approvals & Specifications

• Qualified in accordance with French Air Force STPA-MA N°2859-LE-92
• Suitable for aircraft interior and exterior coating systems

Typical Applications

• Aircraft interior structures
• Aircraft exterior metallic components
• Corrosion protection of aerospace structures
• Commercial and military aircraft coating systems
• Maintenance, repair, and overhaul (MRO) applications

Mixing & Application

• Mixing Ratio by Weight: Base 100 / Hardener 38 / Thinner 40 to 60
• Mixing Ratio by Volume: Base 2 V / Hardener 1 V / Thinner 1.2 V to 1.8 V
• Store unmixed components between 18°C and 25°C for 24 hours before use
• Mix base and hardener until homogeneous, then add thinner
• Application temperature: 15°C to 35°C
• Recommended filtration: 80 µm filter

Spray Parameters

• Spraying Viscosity at 20°C:
• AFNOR 4 Cup: 14 seconds ± 5 seconds
• AFNOR 2.5 Cup: 45 seconds ± 5 seconds
• Reference viscosity cup: AFNOR 4
• Relative Humidity: 30% to 75%

Application Equipment

• Gravity compressed air gun:
• Nozzle size: 1.2 mm to 2.1 mm
• Electrostatic gun:
• Nozzle size: 1.2 mm to 1.8 mm
• Pressure pot or pump:
• Nozzle size: 0.8 mm to 1.2 mm
• Airless application:
• Nozzle size: 0.009 to 0.013 inch
• Spray using clean, dry, oil-free air

Number of Coats

• Apply 1 or 2 crossed coats to achieve the required thickness
• Final film build depends on component geometry and application requirements

Drying & Curing

• Dust Free: 30 to 40 minutes at 23°C
• Dry to Tape: 1 hour at 23°C
• Dry to Tape: 30 minutes at 40°C
• Recoatable: 2 to 72 hours at 23°C
• Recoatable: 1 to 24 hours at 40°C
• Recoatable: 1 to 10 hours at 60°C
• Allow 1 hour flash-off at room temperature before accelerated drying
• Drying times based on 20 µm dry film thickness

Compatible Topcoats

• A1000
• A1500-M
• F14
• F15
• Contact manufacturer for compatibility with additional finishes

Cleaning & Maintenance

• Clean equipment using suitable thinner such as P2 or Diestone E
• Ensure spray equipment is free from contamination before reuse

Packaging & Storage

• P23 Base: 1 L and 4 L
• P23 Hardener: 0.5 L and 2 L
• P2 Thinner: 1 L and 5 L
• P23 Kit: 1.5 L (1 L Base + 0.5 L Hardener)
• Shelf Life:
• Base and Hardener: 24 months
• Thinner: 48 months
• Storage Temperature: 5°C to 35°C in sealed original packaging

Why This Product is Chosen for AOG / MRO

• Provides corrosion protection for aircraft interior and exterior structures
• Strontium chromate formulation supports aerospace protection requirements
• Compatible with multiple aircraft finishing systems
• Suitable for both OEM and maintenance environments
• Flexible application options including spray and electrostatic systems

Practical Suggestions for Your Team (AOG Mindset)

• Condition components between 18°C and 25°C before mixing
• Mix base and hardener thoroughly before adding thinner
• Respect the 8-hour pot life at 23°C
• Use correct filtration before spray application
• Maintain surface cleanliness before coating
• Monitor recoating windows carefully to maintain adhesion
• Use dry, oil-free compressed air during application

Manufacturer / Aviation Spec Codes

• Product Name: PRIMER Isomap P23
• Product Type: Strontium chromate polyurethane aircraft primer
• Specification: French Air Force STPA-MA N°2859-LE-92
• Compatible Finishes: A1000, A1500-M, F14, F15
• Application: Aircraft interior and exterior corrosion protection primer