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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
£64.67 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
-
Brand
Chemetall
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

    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

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    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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