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NAFTOSEAL-MC238A-2 (130-ml-Kit)

FILLET and OVERCOAT SEALANT (130-ml-Kit)
AERO P/N: 111143

SVHC Material. Approval required at Checkout for UK & EU Deliveries.

Hazardous Material
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Total Available Stock: 0

UK
USA
Pre-Order
Available On Request
Stock Expected: 24/Apr/2026
Quantity Available to Order: 95
Estimated Lead Time: 75 days
Estimated Lead Time: 75 days
$93.05 excl VAT
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Introducing Naftoseal MC-238 Class A: Elevate your aerospace sealing with this precision-engineered liquid polysulphide polymer. Designed for optimal performance in fuel tank and fuselage applications, it offers unparalleled resistance to aviation fuels and chemicals while ensuring compatibility across diverse metal substrates.

Product Features
OEM
Chemetall
Brand
Naftoseal
OEM Part No.
50569443
Colour
-
Shelf Life in Months
6
Shelf Life in Days
180
UN No
UN1133
Class
CL3
PG
PGIII
ECCN
EAR99
Country of Origin
Germany
Commodity Code
32149000

    Information

    Additional Product Information

    Overview

    Naftoseal MC-238 Class A is a top-tier two-component liquid polysulphide polymer system designed to excel in fuel tank and fuselage applications within the aviation industry. Engineered with precision, this product offers exceptional resistance to aviation gasoline and jet fuel, along with a robust shield against common chemicals and petroleum products found in aircraft environments.

    Key Technical Specs for Naftoseal MC-238 Class A

    • Type: Two-component liquid polysulphide polymer
    • Color: Standard liquid formulation
    • Viscosity/Consistency: Slightly thixotropic, pourable
    • Cure/Working Time: Manufacturer specified, room temperature cure
    • Tensile/Peel Strength: High bonding to metal substrates
    • Shore Hardness: Flexible
    • Service Temperature: Fuel tank/fuselage operational conditions
    • Typical Uses: Sealing fuel tanks, fuselages, repairing existing tank structures
    • Shelf Life: Manufacturer recommended

    Approvals & Specifications

    • OEM and aviation maintenance specifications
    • Fuel and chemical resistance compliance

    Typical Aircraft MRO / AOG Applications

    • Sealing integral fuel tanks
    • Repairing existing fuel tank structures
    • Sealing fuselage seams and joints

    Compatibility & Safety Notes

    • Compatible with aluminum, stainless steel, steel, titanium, and coatings
    • Wear PPE for safe handling
    • Ensure proper ventilation during application

    Packaging & Procurement

    • Two-component liquid kit
    • Storage in dry, temperature-controlled environment
    • Application via extrusion, injection gun, spatula, or brush

    Why Naftoseal MC-238 Class A is Chosen for AOG / MRO

    • Exceptional sealing and containment properties
    • Maintains flexibility and bond strength over time
    • Easy and precise application for maintenance teams
    • Trusted for critical aerospace sealing applications

    Practical Suggestions for Your Team (AOG Mindset)

    • Stock Class A kits for fuel tank and fuselage sealing
    • Train staff on liquid application techniques for precision
    • Use in combination with appropriate tooling for optimal finish

    Manufacture / Aviation Spec Codes

    • Manufacturer: Naftoseal
    • Product ID: MC-238 Class A
    • MIL/OEM/Export codes: As applicable

    Alternative Names & Descriptions

    • Naftoseal MC-238 Class A polysulfide sealant
    • MC-238 Class A fuel tank/fuselage sealant
    • Liquid polysulfide MC-238 Class A

    Restrictions

    Restrictions
    Restricted
    Hazardous
    Yes
    Dry Ice
    No
    Precursor Licence
    Export Licence
    FEDEX Restriction
    Supplier Disruption
    no

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    Shipping Information

    • Orders over £50 online are eligible for FREE UK Mainland delivery.
    • Collection for orders is available for all customers. At Checkout, please select 'Ex-Works/Collection'.
    • European Delivery is available for selected countries. Shipping costs will be calculated according to the weight of the products.
    • Refrigerated shipping required for shipments going by sea or exceeding 7 days transit time.
    • For additional information, please see our shipping page.

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