Mankiewicz ALEXIT346-55-7708-7-170 (5-Kg-Tin)

Additional Product Information

Overview

The ALEXIT FST Topcoat 346-55 is a waterborne, polyurethane-based two-component topcoat designed for the aerospace industry. It provides durable, abrasion-resistant finishes suitable for cabin interior surfaces. Aviation and MRO teams rely on it for its low heat release, dirt-repellent properties, and compliance with strict aerospace flammability, smoke, and toxicity standards.

Key Technical Specs for ALEXIT FST Topcoat 346-55

• Type: Waterborne polyurethane-based two-component topcoat
• Size / Volume: Base material 10 kg; Hardener 1 kg (custom sizes on request)
• Color: Industrial series shades, matte or semi-gloss
• Viscosity / Consistency: Flow time 35 45 s (DIN EN ISO 2431 4 mm)
• Cure / Working Time: Pot life ~3 hours at 20 C (68 F)
• Tensile / Peel Strength: High adhesion when applied over primer or suitable substrate
• Shore Hardness: Not specified; designed for flexible cabin surfaces
• Service Temperature: 20 80 C (68 176 F) drying range
• Typical Uses: Decorative cabin interiors, smooth or textured surfaces, single-layer or multi-layer finishes
• Shelf Life: Base material 24 months; Hardener 12 months (unopened containers, 5 35 C / 41 95 F, protect from frost)

Approvals & Specifications

• FST compliance: FAR/JAR/CS 25.853 (a) & App. F Part I (a) (1) (I)
• Smoke Gas Density: FAR/JAR/CS 25.853 (d) & App. F Part V (b)
• Toxicity: ABD 0031 and AITM 3.0005
• Heat Release: FAR/JAR/CS 25.853 (d) & App. F Part IV (h)
• Airbus: AIMS 04-08-002
• Boeing: BMS 10-83N Type VI
• FACC: FMS 5550 Rev A

Typical Aircraft MRO / AOG Applications

• Decorative cabin interior panels
• Overhead bins and sidewalls
• Bulkheads and galley surfaces
• Refurbishment of high-wear cabin surfaces
• Composite and metal substrate coatings

Compatibility & Safety Notes

• Substrate compatibility: composites, metals (with primer/filler as needed)
• PPE: standard protective gloves, goggles, and ventilation recommended
• Handling: mix base and hardener thoroughly; thinner may be added per application guidelines
• Surface pre-treatment: optional chemical treatment or primer for improved adhesion

Packaging & Procurement

• Base material: 10 kg container; Hardener: 1 kg container
• Custom packaging available on request
• Storage: 5 35 C (41 95 F), protect from frost
• Ease of use: suitable for compressed air spraying and flow applications

Why ALEXIT FST Topcoat 346-55 is Chosen for AOG / MRO

• Rapid drying and recoating times enable quick turnaround
• Reliable, durable, and FST-compliant for aviation safety standards
• Versatile application: smooth, pearl, or textured finishes
• Portable packaging suitable for field and hangar operations

Practical Suggestions for Your Team (AOG Mindset)

• Stock both base and hardener for immediate availability
• Observe recommended drying and recoat windows for optimal performance
• Use color-specific primers under bright shades for consistent finish
• Training staff in spray application improves finish quality and reduces waste

Manufacture / Aviation Spec Codes

• Manufacturer: Mankiewicz Gebr. & Co. (GmbH & Co. KG)
• Product ID: ALEXIT FST Topcoat 346-55
• OEM / Export Codes: AIMS 04-08-002, BMS 10-83N Type VI, FMS 5550 Rev A

Alternative Names & Descriptions

• ALEXIT 346-55 Topcoat
• ALEXIT FST 346-55 Polyurethane Coating
• Airbus FST Topcoat 346-55
• Boeing BMS 10-83N Type VI Coating
• FACC FMS 5550 Rev A Polyurethane Topcoat