NAFTOSEAL-MC238B-2 (130-ml-Kit)
FUEL TANK SEALANT (130-ml-Kit)
AERO P/N: 111142-parent
SVHC Material. Approval required at Checkout for UK & EU Deliveries.
Price matchedPrice matched based on current market rates, competitor pricing, or promotional adjustments.
Limited availabilityLimited global stock availability due to production delays, high demand, or supply chain disruptions.
UK
75% OFF
92 In Stock (UK)
Available On Request
Expiry Date: 31/Jul/2026
£14.27 excl VAT
Select different batch:
Qty
Expiry Date
Price
92
31/Jul/26
£14.27
2
30/Jun/26
£57.11
Introducing Naftoseal MC-238 B: A high-performance, two-component polysulfide polymer for sealing fuel tanks and fuselages in the aircraft industry. With superior fuel and chemical resistance, versatile substrate compatibility, and long-lasting flexibility, ensure enduring protection for critical components. Ideal for various aircraft models, it secures integrity for safe flight operations.
Product Features
OEM
Chemetall
Brand
Naftoseal
OEM Part No.
50570491
Colour
-
Shelf Life in Months
6
Shelf Life in Days
180
UN No
-
Class
-
PG
-
ECCN
EAR99
Country of Origin
Germany
Commodity Code
3214101000
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Information
Additional Product Information
Overview
Naftoseal MC-238 B is a high-performance, two-component polysulfide polymer system designed specifically for sealing fuel tanks and fuselages in the aircraft industry. Formulated with manganese dioxide curing, this product offers unparalleled resistance to aviation gasoline and jet fuel, ensuring long-lasting protection for critical components.
Key Technical Specs for Naftoseal MC-238 B
- Type: Two-component polysulfide polymer
- Color: Standard formulation (typically black or dark grey)
- Viscosity/Consistency: Pourable, thixotropic
- Cure/Working Time: Manufacturer specified, room temperature cure
- Tensile/Peel Strength: High bonding to metals and coated surfaces
- Shore Hardness: Flexible
- Service Temperature: Typical fuel tank operating conditions
- Typical Uses: Sealing fuel tanks, fuselages, joints, seams, and gaps
- Shelf Life: Manufacturer guidance
Approvals & Specifications
- OEM and aviation maintenance specifications
- Compliant with fuel and chemical resistance standards
Typical Aircraft MRO / AOG Applications
- Sealing fuel tanks on various aircraft models
- Sealing fuselage joints and seams
- Gap filling on critical components
Compatibility & Safety Notes
- Compatible with metals and coated surfaces
- Wear PPE when mixing and applying
- Avoid prolonged skin contact
Packaging & Procurement
- Two-component kits for fuel tank/fuselage sealing
- Store in dry, temperature-controlled environment
- Easy to mix and apply using spatulas or extrusion tools
Why Naftoseal MC-238 B is Chosen for AOG / MRO
- Superior chemical and fuel resistance
- Maintains flexibility over long periods
- Reliable for critical sealing applications
- High operational confidence for maintenance teams
Practical Suggestions for Your Team (AOG Mindset)
- Stock kits for fuel tank and fuselage maintenance
- Train staff on proper mixing ratios and application techniques
- Use in combination with appropriate tooling for precision sealing
Manufacture / Aviation Spec Codes
- Manufacturer: Naftoseal
- Product ID: MC-238 B
- MIL/OEM/Export codes: As provided per batch
Alternative Names & Descriptions
- Naftoseal MC-238 B polysulfide sealant
- MC-238 B fuel tank/fuselage sealant
- Polysulfide polymer MC-238 B
Restrictions
Restrictions
Restricted
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
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.