NAFTOSEAL-MC-780B-1/2 (130-ml-Kit)
FUEL TANK AND FUSELAGE SEALANT (130-ml-Techkit)
AERO P/N: 114450
SVHC Material. Approval required at Checkout for UK & EU Deliveries.
Introducing Naftoseal MC-780B-1/2 Sealant, the ultimate choice for aerospace applications. Engineered for fuel tank and fuselage sealing, this 130ml Techkit sets the standard with its two-component polysulfide polymer system.
Product Features
OEM
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
Product Type
Sealants
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Information
Additional Product Information
Overview
Naftoseal MC-780B-1/2 Sealant is a two-component polysulfide sealant formulated for fuel tank and fuselage sealing in aerospace applications. It is highly resistant to chemicals and aviation fuels, offering durability and flexibility. MRO teams rely on it for critical sealing tasks that demand leak-proof performance under extreme conditions.
Key Technical Specs for Naftoseal MC-780B-1/2 Sealant
- Type: Two-component manganese-dioxide cured polysulfide sealant
- Size/Volume: 130 ml Techkit
- Color: Black/gray paste (per manufacturer batch)
- Viscosity/Consistency: Thixotropic paste
- Cure/Working Time: Varies by application method, full cure per manufacturer guidance
- Tensile/Peel Strength: High adhesion and flexible joint integrity
- Shore Hardness: Medium after cure
- Service Temperature: -55°C to 120°C (-67°F to 248°F) typical for aerospace polysulfides
- Typical Uses: Fuel tank sealing, fuselage panel sealing, structural sealing joints
- Shelf Life: Check manufacturer datasheet, typically 12 months unopened
Approvals & Specifications
- SVHC-compliant
- Suitable for commercial and military aerospace sealing applications
- Resistant to aviation gasoline, jet fuel, and common chemicals
Typical Aircraft MRO / AOG Applications
- Fuel tank seam sealing
- Fuselage joint sealing
- Military and commercial aircraft structural sealing
- Repair of pre-existing sealant failures
Compatibility & Safety Notes
- Compatible with aluminum, steel, stainless steel, titanium, and composites
- Use gloves, eye protection, and proper ventilation during application
- Tooling recommended for uniform sealant joint profile
Packaging & Procurement
- Supplied in convenient 130 ml Techkit for field or shop use
- Portable and ready-to-use
- Pre-measured components for accurate mixing
Why Naftoseal MC-780B-1/2 Sealant is Chosen for AOG / MRO
- Exceptional chemical and fuel resistance
- Maintains flexibility and adhesion over time
- Robust performance under extreme conditions
- Reliable for both commercial and military applications
Practical Suggestions for Your Team (AOG Mindset)
- Keep small Techkits for rapid fuel tank repairs
- Ensure mixing tools and applicators are available
- Train staff on polysulfide application techniques
Manufacture / Aviation Spec Codes
- Manufacturer: Naftoseal
- Product ID: MC-780B-1/2
- Aerospace Sealant Classification
Alternative Names & Descriptions
- Naftoseal MC-780B Sealant
- MC-780 Polysulfide Sealant Techkit
- Fuel Tank & Fuselage Sealant
- Aerospace MRO Sealant
Restrictions
Restrictions
Restricted
Yes
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
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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.