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NSL870 B1/2 (6-oz)

AIRCRAFT CORROSION INHIBITIVE SEALANT (6-Ounce)
AERO P/N: 115388
Hazardous Material

Total Available Stock: 0

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Available On Request
Estimated Lead Time: 40 days
Estimated Lead Time: 40 days
$40.70 excl VAT
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Introducing NSL870 B1/2 (6-oz), a premium polysulfide sealant engineered for aerospace excellence. This two-part compound forms a resilient, flexible rubber that resists fuel, oils, and extreme weather, ensuring robust protection for fuel tanks and pressurized cabins. Meets MIL-PRF-81733 standards.
Product Features
OEM
NSL
OEM Part No.
NSL870 B1/2 (6-oz)
Colour
-
Shelf Life in Months
9
Shelf Life in Days
270
UN No
UN2929 + UN3082
Class
CL6.1(3) + 9
PG
PGII+III
ECCN
EAR99
Country of Origin
United States
Commodity Code
32141010
Product Type
Sealants

    Information

    Additional Product Information

    Overview

    NSL870 B1/2 (6-oz) is a premium corrosion-inhibitive sealant engineered for aerospace applications. This two-part polysulfide compound cures at room temperature to form a resilient, flexible rubber. It protects fuel tanks, pressurized cabins, and other critical areas, providing reliable performance in harsh conditions.

    Key Technical Specs for NSL870 B1/2

    • Type: Two-part polysulfide sealant
    • Size/Volume: 6 oz (0.17 kg)
    • Color: Standard aerospace gray
    • Viscosity/Consistency: Thixotropic paste
    • Cure/Working Time: Room temperature cure, variable per ambient conditions
    • Tensile/Peel Strength: Excellent adhesion to metals
    • Shore Hardness: Flexible rubber
    • Service Temperature: -65°F to 250°F (-54°C to 121°C), short-term 275°F / 135°C
    • Typical Uses: Integral fuel tanks, pressurized cabins, sealing joints
    • Shelf Life: 12 months sealed

    Approvals & Specifications

    • MIL-PRF-81733
    • FAA-PMA approved

    Typical Aircraft MRO / AOG Applications

    • Sealing integral fuel tanks
    • Pressurized cabin seals
    • Critical joint protection in harsh environments

    Compatibility & Safety Notes

    • Compatible with aluminum, magnesium, titanium, steel
    • PPE: Gloves and safety goggles recommended
    • Handling Notes: Easy extrusion; thixotropic prevents unwanted flow

    Packaging & Procurement

    • 6 oz cartridges
    • Market Packs: Single or multi-pack
    • Storage: Store in cool, dry conditions
    • Ease of Use: Apply via extrusion gun or spatula; optional heat cure

    Why NSL870 B1/2 is Chosen for AOG / MRO

    • Reliable corrosion inhibition
    • Flexible and resilient seal
    • Works in extreme temperatures and chemical exposure

    Practical Suggestions for Your Team (AOG Mindset)

    • Keep small cartridges for AOG repairs
    • Train teams on proper sealant application techniques
    • Use in combination with primer where recommended

    Manufacture / Aviation Spec Codes

    • Manufacturer: NSL
    • Product ID: 870 B1/2

    Alternative Names & Descriptions

    • NSL870 Corrosion Sealant
    • B1/2 Polysulfide Sealant
    • Aerospace Fuel Tank Sealant

    Restrictions

    Restrictions
    Restricted
    Hazardous
    Yes
    Dry Ice
    No
    Precursor Licence
    Export Licence
    FEDEX Restriction
    Supplier Disruption
    no

    Recommended Alternatives

    No related products

    Bought Together

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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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