Aviation Silicones Supplier for Aircraft Maintenance, Repair & Overhaul

We supply aviation grade silicones for aircraft maintenance, repair, and MRO applications. Our range includes premium silicone sealants, gasketing materials, RTV silicones, and specialized silicone solutions suitable for fuel systems, electronics, windows, and structural joints. These products are sourced from certified manufacturers and selected to meet applicable aviation quality standards such as FAA, EASA, MIL-SPEC, and OEM specifications where relevant.

Whether you require silicones for routine service tasks or complex aircraft applications, we support dependable sourcing with consistent quality, traceability, and on-time supply. If a specific silicone product is not listed, our extensive supplier network allows us to arrange suitable alternatives based on your technical specifications and operational needs.

For pricing, availability, or bulk supply enquiries, you can request a quote directly through our enquiry form.



  • 152M Type 1, Class 1 Spec Low Viscosity Silicone Adhesive – 4 oz Kit — Low Viscosity Silicone Adhesive in 4 oz Kit format for professional sealing, bonding, and protection applications.

    MPN: 12550012
    Brand: DAPCO
    Product / Model Name: DAPCO 152M
    Color: Clear
    Package: 4 oz Kit
    Type: Low Viscosity Silicone Adhesive
    Substrate: Glass, Metal, Ceramic, Electronic Components

    Request a quote for pricing and availability.



  • DAPCO® 18-4F BMS 5-63 Type 1 B4 Spec Silicone Firewall Sealant – 200 mL (Mini Pint) Kit — Silicone Firewall Sealant in 200 mL Mini Pint Kit format for professional sealing and bonding applications.

    MPN: 12550132
    Brand: DAPCO
    Product / Model Name: DAPCO 18-4F
    Color: Red
    Package: 200 mL Mini Pint Kit
    Type: Silicone Firewall Sealant
    Substrate: Firewall, Bulkheads, Engine Compartment Metal

    Request a quote for pricing and availability.



  • DAPCO® 18-4F BMS 5-63 Type 1 B4 Spec Silicone Firewall Sealant – Pint Kit — Silicone Firewall Sealant in Pint Kit format for professional sealing, bonding, and protection applications.

    MPN: 12550098
    Brand: DAPCO
    Product / Model Name: DAPCO 18-4F
    Color: Red
    Package: Pint Kit
    Type: Silicone Firewall Sealant
    Substrate: Firewall, Bulkheads, Engine Compartment Metal

    Request a quote for pricing and availability.



  • DOW® SILASTIC™ RTV-3112 White Silicone Moldmaking Rubber – 453 Gram (16 oz) Jar — Two-Part Silicone Moldmaking Rubber in 453 Gram (16 oz) Jar format for professional sealing, bonding, and protection applications.

    MPN: 4107668
    Brand: Dow
    Product / Model Name: SILASTIC RTV-3112
    Color: White
    Package: 453 Gram (16 oz) Jar
    Type: Two-Part Silicone Moldmaking Rubber
    Substrate: Mold Making, Casting, Prototype Tooling

    Request a quote for pricing and availability.



  • DOW® SYLGARD™ 170 Silicone Encapsulant – 0.9 Kg Kit — Two-Part Silicone Encapsulant in 0.9 Kg Kit format for professional sealing, bonding, and protection applications.

    MPN: 1696157
    Brand: Dow
    Product / Model Name: SYLGARD 170
    Color: Black
    Package: 0.9 Kg Kit
    Type: Two-Part Silicone Encapsulant
    Substrate: Electronics, PCB, Sensors, Electrical Components

    Request a quote for pricing and availability.



  • DOWSIL™ 3140 RTV Translucent Silicone Adhesive – 453 Gram (16 oz) Can — RTV-1 Silicone Adhesive in 453 Gram (16 oz) Can format for professional sealing, bonding, and protection applications.

    MPN: 2298139
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 3140 RTV
    Color: Translucent
    Package: 453 Gram (16 oz) Can
    Type: RTV-1 Silicone Adhesive
    Substrate: Electronics, PCB, Glass, Metal, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 3140 RTV Translucent Silicone Sealant – 90 mL (3 oz) Tube — RTV-1 Silicone Sealant in 90 mL (3 oz) Tube format for professional sealing and bonding applications.

    MPN: 1665341
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 3140 RTV
    Color: Translucent
    Package: 90 mL (3 oz) Tube
    Type: RTV-1 Silicone Sealant
    Substrate: Electronics, PCB, Glass, Metal, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 510 Clear 500 cSt Silicone Fluid – 500 mL (16 oz) Can — Silicone Fluid in 500 mL (16 oz) Can format for professional sealing, bonding, and protection applications.

    MPN: 2351382
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 510
    Color: Clear
    Package: 500 mL (16 oz) Can
    Type: Silicone Fluid
    Substrate: Electrical, Mechanical, Thermal Management Applications

    Request a quote for pricing and availability.



  • DOWSIL™ 730 Solvent Resistant Silicone Sealant – 90 mL (3 oz) Tube — Solvent Resistant Silicone Sealant in 90 mL (3 oz) Tube format for professional sealing and bonding applications.

    MPN: 4097333
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 730
    Color: Translucent
    Package: 90 mL (3 oz) Tube
    Type: Solvent Resistant Silicone Sealant
    Substrate: Chemical Processing, Metal, Plastic, Glass

    Request a quote for pricing and availability.



  • DOWSIL™ 732 Black Multi-Purpose Silicone Sealant – 90 mL (3 oz) Tube — Multi-Purpose Silicone Sealant in 90 mL (3 oz) Tube format for professional sealing and bonding applications.

    MPN: 2112531
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 732
    Color: Black
    Package: 90 mL (3 oz) Tube
    Type: Multi-Purpose Silicone Sealant
    Substrate: Glass, Metal, Ceramic, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 732 Clear Multi-Purpose Silicone Sealant – 139 mL (4.7 oz) Tube — Multi-Purpose Silicone Sealant in 139 mL (4.7 oz) Tube format for professional sealing, bonding, and protection applications.

    MPN: 3138348
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 732
    Color: Clear
    Package: 139 mL (4.7 oz) Tube
    Type: Multi-Purpose Silicone Sealant
    Substrate: Glass, Metal, Ceramic, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 732 Clear Multi-Purpose Silicone Sealant – 300 mL (10.1 oz) Cartridge — Multi-Purpose Silicone Sealant in 300 mL (10.1 oz) Cartridge format for professional sealing and bonding applications.

    MPN: 1892070
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 732
    Color: Clear
    Package: 300 mL (10.1 oz) Cartridge
    Type: Multi-Purpose Silicone Sealant
    Substrate: Glass, Metal, Ceramic, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 732 Clear Multi-Purpose Silicone Sealant – 90 mL (3 oz) Tube — Multi-Purpose Silicone Sealant in 90 mL (3 oz) Tube format for professional sealing and bonding applications.

    MPN: 3138356
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 732
    Color: Clear
    Package: 90 mL (3 oz) Tube
    Type: Multi-Purpose Silicone Sealant
    Substrate: Glass, Metal, Ceramic, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 732 Multi-Purpose Silicone Sealant – 300 mL (10.1 oz) Cartridge — Multi-Purpose Silicone Sealant in 300 mL (10.1 oz) Cartridge format for professional sealing, bonding, and protection applications.

    MPN: 1891987
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 732
    Color: White
    Package: 300 mL (10.1 oz) Cartridge
    Type: Multi-Purpose Silicone Sealant
    Substrate: Glass, Metal, Ceramic, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ 732 White Multi-Purpose Silicone Sealant – 300 mL (10.1 oz) Cartridge — Multi-Purpose Silicone Sealant in 300 mL (10.1 oz) Cartridge format for professional sealing and bonding applications.

    MPN: 1892118
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL 732
    Color: White
    Package: 300 mL (10.1 oz) Cartridge
    Type: Multi-Purpose Silicone Sealant
    Substrate: Glass, Metal, Ceramic, Plastic

    Request a quote for pricing and availability.



  • DOWSIL™ PR-1204 RTV Clear Silicone Sealant Primer – 309 Gram Can — Silicone Sealant Primer in 309 Gram Can format for professional sealing, bonding, and protection applications.

    MPN: 4094513
    Brand: DOWSIL (Dow Corning)
    Product / Model Name: DOWSIL PR-1204
    Color: Clear
    Package: 309 Gram Can
    Type: Silicone Sealant Primer
    Substrate: Metal, Glass, Ceramic, Plastic, Concrete

    Request a quote for pricing and availability.



  • DUPONT™ MOLYKOTE® 111 Valve Silicone Lubricant & Sealant – 150 Gram (5.3 oz) Tube — Silicone Lubricant and Sealant Compound in 150 Gram (5.3 oz) Tube format for professional sealing and bonding applications.

    MPN: 4109788
    Brand: DuPont (Molykote)
    Product / Model Name: MOLYKOTE 111
    Color: Translucent White
    Package: 150 Gram (5.3 oz) Tube
    Type: Silicone Lubricant and Sealant Compound
    Substrate: Valves, O-Rings, Rubber, Metal, Plastic

    Request a quote for pricing and availability.



  • DUPONT™ MOLYKOTE® 316 Clear Silicone Release Agent – 283g (10 oz) Aerosol Can — Silicone Release Agent in 283g (10 oz) Aerosol Can format for professional sealing, bonding, and protection applications.

    MPN: 4110860
    Brand: DuPont (Molykote)
    Product / Model Name: MOLYKOTE 316
    Color: Clear
    Package: 283g (10 oz) Aerosol Can
    Type: Silicone Release Agent
    Substrate: Molds, Rubber, Plastics, Metal, Glass

    Request a quote for pricing and availability.



  • ELASTOSIL® E43 Transparent RTV-1 Silicone Rubber – 90 mL Tube — RTV-1 Silicone Rubber Sealant in 90 mL Tube format for professional sealing and bonding applications.

    MPN: 60019661
    Brand: Wacker Chemie
    Product / Model Name: ELASTOSIL E43
    Color: Transparent
    Package: 90 mL Tube
    Type: RTV-1 Silicone Rubber Sealant
    Substrate: Glass, Metal, Ceramic, Plastic, Aquariums

    Request a quote for pricing and availability.



  • Harbor Products F4 Black Self-Fusing Silicone Tape – 1″ Wide x .020″ Thick x 36′ Long Roll — Self-Fusing Silicone Tape in 1″ W x 0.020″ Thick x 36′ Roll format for professional sealing, bonding, and protection applications.

    MPN: TT10002036O1USZ
    Brand: Harbor Products
    Product / Model Name: Harbor Products F4
    Color: Black
    Package: 1″ W x 0.020″ Thick x 36′ Roll
    Type: Self-Fusing Silicone Tape
    Substrate: Wires, Cables, Pipes, Hoses

    Request a quote for pricing and availability.


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