Mankiewicz ALEXIT404-12-AIC3.32 (1-kg-Tin)

ALEXIT® FST-Strukturlack 404-12 Two-Component Polyurethane Aerospace Topcoat

Overview

ALEXIT® FST-Strukturlack 404-12 is a solvent-based, two-component polyurethane topcoat developed specifically for aerospace cabin interiors. Designed to produce both smooth and textured decorative finishes, it combines rapid drying with excellent abrasion resistance while meeting stringent aerospace Fire, Smoke and Toxicity (FST) requirements. The coating is widely approved across major aerospace OEM specifications and is suitable for high-performance interior applications requiring durable, lightweight decorative protection.

Key Technical Specs

• Product Type: Solvent-based two-component polyurethane topcoat
• Product Code: ALEXIT® FST-Strukturlack 404-12
• Finish Options: Smooth or textured (pearl texture)
• Colour: Industrial production colour shades available
• Gloss Levels: Matt and silk gloss
• Recommended Dry Film Thickness: 60-70 microns (2.4-2.8 mil)
• Theoretical Coverage: 240 m�/kg at 1 micron
• Approximate Coverage: 4 m�/kg at 60 microns
• Pot Life: Approximately 8 hours at 20°C

Approvals & Specifications

• Complies with FAR/JAR/CS 25.853 Flammability requirements
• Complies with FAR/JAR/CS 25.853 Smoke Gas Density requirements
• Meets ABD 0031 and AITM 3.0005 Toxicity requirements
• Complies with FAR/JAR/CS 25.853 Heat Release requirements
• Approved to Airbus AIMS 04-08-002
• Approved to British Aerospace AVP 3-032
• Approved to Dornier DON 352 and DON 354
• Approved to FACC FMS 5550 Rev A
• Approved to Aerospatiale PQ 10050-122-00
• Approved to McDonnell Douglas Prog. 717
• Approved to Fokker TH 33.0162 and TH 5.725 (Mhb)

Performance Highlights

• Excellent abrasion and wear resistance
• Quick-drying polyurethane system
• Low heat release characteristics
• Produces decorative smooth or textured aerospace finishes
• Designed specifically for Fire, Smoke and Toxicity (FST) compliance
• Suitable for demanding aerospace cabin interior environments

Typical Applications

• Aircraft cabin interior decorative finishes
• Passenger cabin sidewalls and panels
• Interior composite components
• Decorative aerospace interior structures
• Applications requiring certified FST-compliant coatings

Compatibility & Safety Notes

• Apply directly over clean, prepared primer or substrate where appropriate
• Composite substrates should be prepared using approved solvent-borne or waterborne fillers
• Chemical pretreatment or suitable primer can improve adhesion on metal substrates
• Bright colours should be applied over a white primer such as ALEXIT FST Filler 343-60
• Film thickness should comply with individual OEM specifications
• Storage temperature: 5-35°C in unopened original containers

Application & Curing

• Mix Ratio (by weight): 20 parts base to 1 part Hardener 400
• Recommended Thinners: ALEXIT Thinner 62 or Thinner 901-45
• Typical thinner addition: 20% for first coat
• Spray nozzle: 1.4-2.0 mm
• Spray pressure: 1.5-4.0 bar (smooth application)
• Intermediate flash-off: 15-30 minutes at 20°C for textured finishes
• Dust dry: Approximately 20 minutes at 20°C
• Assembly dry: 2 hours at 20°C or 1 hour at 60°C
• Fully cured: Approximately 7 days at 20°C
• Pot life after mixing: Approximately 8 hours at 20°C

Packaging & Procurement

• Base Material: 10 kg containers
• Hardener 400: 1 kg containers
• Thinner 62: 5 kg containers
• Thinner 901-45: 5 kg containers
• Additional packaging sizes available upon request

Why This Product is Chosen for AOG / MRO

• Certified to numerous major aerospace OEM interior specifications
• Excellent durability against abrasion and daily cabin wear
• Fast drying minimises aircraft downtime
• Supports both smooth and textured premium interior finishes
• Provides full compliance with aerospace Fire, Smoke and Toxicity requirements

Practical Suggestions for Your Team

• Maintain the recommended 20:1 mixing ratio for optimum performance
• Select Thinner 62 for standard Airbus climate conditions and smaller components
• Use Thinner 901-45 when spraying large components or at temperatures above 30°C
• Monitor dry film thickness carefully to meet OEM approval requirements
• Use approved primers and fillers to maximise adhesion and finish quality

Manufacturer / Aviation Spec Codes

• Product Name: ALEXIT® FST-Strukturlack 404-12
• Manufacturer: Mankiewicz Gebr. & Co. (GmbH & Co. KG)
• Product Type: Two-component polyurethane aerospace cabin topcoat
• Primary Application: Decorative aerospace cabin interior coating
• Key Specifications: AIMS 04-08-002, AVP 3-032, DON 352, DON 354, FMS 5550 Rev A, PQ 10050-122-00, Prog. 717, TH 33.0162, TH 5.725