Chemetall NAFTOSEAL MC238A 2 (2.5 oz / 55 ML / TK55 KIT)
FILLET and OVERCOAT SEALANT (55-ML-KIT)
AERO P/N: 116355
SVHC Material. Approval required at Checkout for UK & EU Deliveries.
Hazardous Material
Naftoseal MC-238 A2 is a two-component polysulfide sealant (~55 mL, ~0.055 L, ~1.86 fl oz) with a 2-hour Class A working life, designed for flexible, fuel-resistant sealing of fuselage and fuel tank surfaces in detail sealing, panel assembly, and patch repairs.
Product Features
OEM
-
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
32149000
Product Type
Sealants
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Information
Additional Product Information
Overview
Naftoseal MC238A-2 is a Class A polysulfide sealant engineered for fuselage joints and structural gaps. It offers low slump, excellent toolability, and reliable performance in fuel, oil, and vibration-exposed environments commonly encountered in aircraft service.
Key Technical Specs for MC238A-2
- Type: Polysulfide sealant, Class A
- Size/Volume: 55 mL / 1.86 fl oz
- Color: Grey
- Viscosity/Consistency: Low-slump paste
- Cure/Working Time: 2 hours at 23°C / 73°F
- Service Temp: -55°C to +130°C / -67°F to +266°F
- Typical Uses: Fuselage joints, structural gaps
Approvals & Specifications
- AIMS 04-05-001
- AIMS 04-05-002
- NTA 65361
- MDL 6057
Typical Aircraft MRO / AOG Applications
- Fuselage seam sealing
- Structural gap filling
Compatibility & Safety Notes
- Compatible with aluminium, titanium, composites
- Standard sealant PPE required
Packaging & Procurement
- 55 mL two-part kit
- Ideal for precision sealing tasks
Why MC238A-2 is Chosen for AOG / MRO
- Excellent bead control
- Elastic seal accommodates vibration
Practical Suggestions for Your Team (AOG Mindset)
- Stock for fuselage and skin repairs
- Ensure proper surface prep
Manufacture / Aviation Spec Codes
- Manufacturer: Chemetall
- Product ID: MC238A-2
Alternative Names & Descriptions
- Naftoseal MC238A-2
- MC-238A-2 Class A Sealant
- Chemetall Structural Sealant MC238A-2
Restrictions
Restrictions
Restricted
Hazardous
Yes
Dry Ice
No
Precursor Licence
Export Licence
FEDEX Restriction
Supplier Disruption
no
Recommended Alternatives
Bought Together
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.