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DOWSIL 93-006-1-RF (1-lb-Kit)

AEROSPACE SEALANT and CATALYST (1-Pound-Kit)
AERO P/N: 110921
Hazardous Material

Total Available Stock: 136

UK
USA
136 In Stock (UK)
Available On Request
Expiry Date: 11/May/2026
Additional Stock Expected: 13/Feb/2026
Additional Quantity Available to Order: 10
Estimated Lead Time: 19 days
$166.32 excl VAT
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DOWSIL 93-006-1-RF (Also known as: DC93‑006‑1 RF, Aerospace Silicone Sealant Kit  & BMS 5‑175D Sealant)

Summary: DOWSIL 93‑006‑1‑RF is a two‑part, room‑temperature curing silicone elastomer sealant designed for aerospace applications.

MRO Category: Consumables - Sealants & Adhesives

Sub-Category: Silicone Elastomer Sealants (two‑part, room‑temperature curing)

Function: Provides sealing, bonding, and corrosion/fluid resistance for aircraft structures and assemblies.

Use Cases: Sealing joints and assemblies against fluids and environmental exposure. Bonding metals, composites and primed surfaces in aircraft maintenance.

Description:
DOWSIL 93‑006‑1‑RF is a two‑part, room‑temperature curing silicone elastomer sealant trusted by aviation engineers, ground crew and MRO teams across the aviation industry. Supplied in a 1‑lb kit (453 g), the DOWSIL 93‑006‑1‑RF provides excellent adhesion to metals, composites and primed surfaces, with a working time of approximately 1 hour at 25 °C (77 °F) and full cure in around 10 hours. Its high‑viscosity, non‑slump formulation ensures reliable sealing and bonding in both scheduled maintenance and urgent AOG situations, making it a vital consumable for protecting aircraft structures against fluids, corrosion and environmental exposure. Aviation engineers rely on the DOWSIL 93‑006‑1‑RF because it meets Boeing BMS 5‑175D Type I Class B‑½ specifications, ensuring compliance with OEM standards while delivering durability and flexibility in service.
For confirmation, the product shown on the Aerospheres webpage is indeed the correct size, volume and specification: a 1‑lb (453 g) kit packaged for aerospace use, designed to support MRO teams and ground crew in maintaining aircraft readiness. Holding the DOWSIL 93‑006‑1‑RF in stock allows rapid deployment during AOG events, ensuring urgent sealing tasks can be completed quickly and aircraft returned to service without delay. To learn more about purchasing the DOWSIL 93‑006‑1‑RF, aviation engineers can email sales@aerospheres.com, call UK +44 (0)3333 247 777 or US +1 888 421 7703, or simply click the “Add To Cart” option on the Aerospheres product page.

Spec Sheets For DOWSIL 93-006-1-RF:
DOWSIL 93-006-1-RF Technical Data Sheet
Safety Data Sheet for DOWSIL 93-006-1-RF Base
Safety Data Sheet for DOWSIL 93-006-1-RF Catalyst

Product Features
OEM
DOW
Brand
Dowsil
OEM Part No.
930061RF453
Colour
-
Shelf Life in Months
12
Shelf Life in Days
360
UN No
UN3077
Class
CL9
PG
PGIII
ECCN
EAR99
Country of Origin
Belgium
Commodity Code
32149000

    Information

    Additional Product Information

    Aircraft engineers and MRO teams working on everything from the most advanced military aircraft to passenger airlines carrying millions of people each year rely on DOWSIL 93‑006‑1‑RF because it delivers proven sealing and bonding performance under demanding conditions. This two‑part silicone elastomer meets Boeing BMS 5‑175D specifications, ensuring compliance and durability across fleets where safety and reliability are non‑negotiable. Ground crew keep DOWSIL 93‑006‑1‑RF in stock because in urgent AOG situations, its fast cure and strong adhesion allow critical repairs to be completed quickly, returning aircraft to service without delay. Trusted throughout the aviation industry, DOWSIL 93‑006‑1‑RF is the sealant of choice for protecting structures and maintaining operational readiness.

    Key Technical Specs for DOWSIL 93-006-1-RF

    • Type: Two‑part silicone elastomer sealant.
    • Mix Ratio: 10:1.
    • Viscosity: High viscosity, non‑slump formulation.
    • Working Time: ~1 hour at 25 °C (77 °F).
    • Cure: Room temperature cure; full cure in ~10 hours.
    • Mechanical Properties (cured):
    • Shore A hardness: ~35
    • Tensile strength: ~200 psi (1.38 MPa)
    • Elongation at break: ~450%
    • Peel strength: ~150–300 psi (1.03–2.07 MPa)

    Approvals & Specifications for DOWSIL 93-006-1-RF

    • Boeing: BMS 5‑175D Type I Class B‑½.
    • OEM Brand: Dow.
    • OEM Part Number: 4103079.
    • AERO P/N (Aerospheres): 110921.
    • UN Number: UN3077.
    • ECCN: EAR99 (non‑restricted).
    • Commodity Code: 32149000.
    • Country of Origin: Belgium.

    Typical Aircraft MRO / AOG Applications for DOWSIL 93-006-1-RF

    • Sealing joints and assemblies against fluids, corrosion and environmental exposure.
    • Bonding metallic and composite structures in aircraft maintenance.
    • AOG importance: Rapid cure and strong adhesion allow urgent sealing tasks to be completed quickly, minimizing downtime and returning aircraft to service faster.
    • Versatility: Used across fleets from advanced military aircraft to passenger airlines.

    Compatibility & Safety Notes for DOWSIL 93-006-1-RF

    • Surface prep: Adheres best to primed surfaces. Ensure proper cleaning and pretreatment.
    • Handling: Classified as hazardous (UN3077, Class 9). Requires PPE and compliant storage.
    • Shelf life: 12 months (≈360 days) from manufacture.

    Packaging & Procurement for DOWSIL 93-006-1-RF (matched to the Aerospheres page and common market packs)

    • Pack size: 1‑lb kit (≈453 g).

    Why DOWSIL 93-006-1-RF is Chosen for AOG / MRO

    • Fast cure: 1‑hour working time supports urgent repairs.
    • High performance: Strong adhesion and flexibility across diverse substrates.
    • OEM compliance: Meets Boeing BMS 5‑175D spec, ensuring airworthiness.
    • Practical kit size: 1‑lb (453 g) kit is easy to stock and deploy in hangars or line stations.

    Practical Suggestions for Your Team (AOG mindset) for DOWSIL 93-006-1-RF

    • Pre‑stage kits in line stations and hangars for immediate use.
    • Train ground crew on mixing ratios (10:1) for consistent results.
    • Monitor shelf life and rotate stock to avoid expired kits.
    • Include in AOG kits to ensure readiness for urgent sealing tasks.

    Manufacture / Aviation Spec Codes for DOWSIL 93-006-1-RF

    • Manufacturer: Dow.
    • Boeing: BMS 5‑175D Type I Class B‑½.
    • Airbus / Lockheed Martin: Product is primarily Boeing‑approved.

    Alternative Names & Descriptions for DOWSIL 93-006-1-RF

    • DOWSIL 93‑006‑1 RF Aerospace Sealant
    • Dow Corning 93‑006‑1 RF Sealant Kit
    • DC93‑006‑1 RF
    • DC‑93‑006‑1 RF
    • Gray Silicone Aerospace Sealant (1‑lb Kit)
    • DC93-006-1

    Restrictions

    Restrictions
    Restricted
    Hazardous
    Yes
    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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