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Dow DOWSIL Q4-2817 (159.6-ml-Tube)

FLUOROSILICONE SEALANT (159.6-ml-Tube)
AERO P/N: 109116
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Stock Expected: 03/Feb/2026
Quantity Available to Order: 9
Estimated Lead Time: 30 days
Estimated Lead Time: 30 days
$815.05 excl VAT
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DOWSIL Q42817 Fluorosilicone Sealant
Commonly Used Product Name:
Dowsil (Dow) Q42817 Fluorosilicone Sealant
Product Summary: Supplied in a 159.6?ml tube (≈?5.4?oz), this one?part fluorosilicone elastomer paste sealant is designed for aerospace applications. It offers a service temperature range of approximately −55?°C to +260?°C (≈?−67?°F to +500?°F), providing reliable sealing and bonding in extreme environments.
MRO Category: Adhesives & Sealants
SubCategory: High?Performance Fuel/Oil/Solvent?Resistant Fluorosilicone Sealant
Function: Seals joints and assemblies exposed to fuel, oil, solvents, and harsh environments. Also bonds certain substrates while protecting against corrosion and erosion.
Use Case(s): Applied in aircraft fuel tanks, fuel?line bundles, engine accessory housings, nacelle panels, and other areas requiring sealing between metal, composite, glass, and cured silicone rubber where fuel or gas exposure is present.
More Information
Product Features
OEM
DOW
Brand
Dow
OEM Part No.
1888684
Colour
-
Shelf Life in Months
12
Shelf Life in Days
360
UN No
UN1759
Class
CL8
PG
PGIII
ECCN
EAR99
Country of Origin
United States
Commodity Code
39100000

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View Datasheets

    Information

    The Dowsil Q42817 fluorosilicone sealant is a one part, room temperature curing, solventless elastomer paste designed for the most demanding aerospace sealing applications. It resists exposure to solvent, oil, fuel, moisture, ozone and vibration while maintaining high adhesion and flexibility across a wide temperature range (–55?°C to +260?°C). The product is especially relevant in MRO environments for sealing fuel tanks, aircraft structural joints, engine components and any assemblies where durability, fuel resistance and longevity are paramount. Its use ensures compliance with OEM sealing specifications and supports lifecycle maintenance strategies. 

    Specification codes: -

    Restrictions

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

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    Shipping Information

    • Orders over £50 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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