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Chemetall NAFTOSEAL-MC238B-1/2 (130-ml-Kit)

FUEL TANK SEALANT (130-ml-Kit)
AERO P/N: 109921
Hazardous Material

Total Available Stock: 0

UK
USA
Available On Request
Available On Request
Minimum Order Quantity: 24
Estimated Lead Time: 70 days
Estimated Lead Time: 70 days
$85.36 excl VAT
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+
Naftoseal MC238B is a two-part ~0.13 L (~4.4 oz) polysulfide sealant that cures into a flexible, fuel-resistant barrier for sealing aircraft fuel tanks and fuselage joints against aviation gasoline, jet fuels, and moisture.
Product Features
OEM
-
OEM Part No.
-
Colour
-
Shelf Life in Months
6
Shelf Life in Days
180
UN No
-
Class
-
PG
-
ECCN
EAR99
Country of Origin
Germany
Commodity Code
32141010
Product Type
Sealants

    Information

    Additional Product Information

    Overview

    NAFTOSEAL MC238B-1/2 is an aviation-grade polysulfide sealant formulated for demanding fuel-wet aircraft structures. It cures via manganese dioxide cross-linking to form a flexible, durable seal that resists aviation fuels, hydraulic fluids, and environmental aging. Aircraft engineers rely on it to maintain leak-tight integrity in integral tanks and fuselage assemblies.

    Key Technical Specs for Chemetall NAFTOSEAL-MC238B-1/2

    • Type: Two-part polysulfide sealant
    • Size/Volume: 130 mL (4.4 fl oz)
    • Color: Typically gray
    • Viscosity/Consistency: Thixotropic, gun-grade paste
    • Cure/Working Time: Class B-1/2 working profile
    • Tensile/Peel Strength: Fuel tank structural grade
    • Shore Hardness: Flexible elastomer after cure
    • Typical Uses: Integral fuel tanks, fuselage sealing
    • Shelf Life: Typically 9 months refrigerated

    Approvals & Specifications

    • AIMS-0405001
    • AIMS-0405002
    • DAN-1186
    • CML09058-D

    Typical Aircraft MRO / AOG Applications

    • Fuel leak rectification
    • Wet wing sealing
    • Structural seams and joints

    Compatibility & Safety Notes

    • Compatible with aluminium, titanium, stainless steel, and composites
    • Wear gloves and eye protection
    • Ensure correct mix ratio before use

    Packaging & Procurement

    • 130 mL kit for localized repairs
    • Ideal for AOG response stock
    • Minimizes waste on small jobs

    Why Chemetall NAFTOSEAL-MC238B-1/2 is Chosen for AOG / MRO

    • Fast deployment for urgent repairs
    • Excellent adhesion and fuel resistance
    • Compact and portable kit size

    Practical Suggestions for Your Team (AOG Mindset)

    • Keep multiple kits available for rapid response
    • Rotate stock to manage shelf life
    • Use for spot repairs to reduce downtime

    Manufacture / Aviation Spec Codes

    • Manufacturer: Chemetall
    • Product ID: NAFTOSEAL MC238B-1/2

    Alternative Names & Descriptions

    • Naftoseal MC238B
    • MC238B Fuel Tank Sealant
    • Wet Wing Polysulfide Sealant

    Restrictions

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

    Recommended Alternatives

    No related products

    Bought Together

    No related products

    Shipping Information

    • Orders over £100 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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