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Chemetall NAFTOSEAL-MC-780C-12 (55-ML-KIT)

SEALANT (TK55) (55-ML-KIT)
AERO P/N: 116367
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
£66.46 excl VAT
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Naftoseal MC-780 C-12 (55 mL Techkit) is a low-density, two-part polysulfide, non-structural sealant offering fuel resistance and a long ~12-hour working life for large production joints, fuselage and fuel tank sealing, and complex MRO applications.
Product Features
OEM
-
Brand
Chemetall
OEM Part No.
-
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
32141010

    Information

    Additional Product Information

    Overview

    NAFTOSEAL MC-780C-12 is a low-density polysulfide sealant engineered for applications requiring an extended working time of up to 12 hours. It is used in aviation manufacturing and maintenance where prolonged application, tooling, or repositioning is necessary, while still delivering fuel resistance and long-term durability.

    Key Technical Specs for Chemetall NAFTOSEAL MC-780C-12

    • Type: Low-density two-part polysulfide sealant
    • Size/Volume: 55 mL (1.86 fl oz)
    • Color: Typically gray
    • Viscosity/Consistency: Thixotropic paste
    • Cure/Working Time: Up to 12 hours at 23°C (73°F)
    • Tensile/Peel Strength: Structural sealing grade
    • Shore Hardness: Flexible elastomer
    • Typical Uses: Fuel tanks, complex structural sealing

    Approvals & Specifications

    • AIMS qualified (variant dependent)

    Typical Aircraft MRO / AOG Applications

    • Extended-duration sealing tasks
    • Large or complex assemblies

    Compatibility & Safety Notes

    • Compatible with standard aircraft substrates
    • Use PPE and observe handling guidance

    Packaging & Procurement

    • 55 mL kit for controlled application
    • Supports long working sessions

    Why Chemetall NAFTOSEAL MC-780C-12 is Chosen for AOG / MRO

    • Very long working window
    • Low density reduces added mass
    • Certified fuel resistance

    Practical Suggestions for Your Team (AOG Mindset)

    • Use for complex, time-intensive sealing operations
    • Plan cure time into maintenance schedule

    Manufacture / Aviation Spec Codes

    • Manufacturer: Chemetall
    • Product ID: NAFTOSEAL MC-780C-12

    Alternative Names & Descriptions

    • Naftoseal MC780 C-12
    • Extended Life Lightweight Sealant
    • Long Working Time 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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