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Silicone Sealants

3M 021200-19674 Scotch-Seal EC800 Industrial Sealant - 5 oz Tube
SkyGeek Price: $16.89
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3M 051135-08661 Clear Super Silicone Sealant - 3 oz Tube
SkyGeek Price: $9.26
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DAPCO® 18-4F Silicone Firewall Sealant
Starting At: $152.41
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Dow Corning 4 Electrical Insulating Compound
Starting At: $14.33
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XIAMETER® CTG-1890 Gray Protective Coating - 3.5 Kg Pail
SkyGeek Price: $175.54
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Dow Corning 732 Multi-Purpose Silicone Sealant
Starting At: $3.75
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Dow Corning 734 Flowable Plus Silicone Sealant
Starting At: $11.42
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Dow Corning 736 Heat Resistant Silicone Sealant
Starting At: $9.60
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Dow Corning 737 Neutral Cure Sealant
Starting At: $5.25
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Dow Corning 738 White Electrical Silicone Sealant - 90 mL Tube
SkyGeek Price: $16.99
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Dow Corning 748 White Non-Corrosive Sealant - 90 mL Tube
SkyGeek Price: $8.56
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Dow Corning 839 Blue Silicone Adhesive-Sealant - 90 mL Tube
SkyGeek Price: $6.49
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Dow Corning 90-006 Green Aerospace Sealant & Catalyst
Starting At: $54.42
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Dow Corning 93-006-6 RF Aerospace Silicone Sealant
Starting At: $90.96
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Dow Corning Q4-2805 White Fluorosilicone Channel Sealant - 212 Gram Cartridge
SkyGeek Price: $131.95
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Dow Corning Q4-2805 White Fluorosilicone Channel Sealant - 212 Gram Reverse Plunger Cartridge
SkyGeek Price: $114.02
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Dow Corning Q4-2817 Red Fluorosilicone Sealant - 159.6 mL Cartridge
SkyGeek Price: $308.83
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Dow Corning Sylgard 170 Fast Cure Silicone Encapsulant
Starting At: $53.60
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Henkel 142495 Loctite 5368 Black Acetoxy Silicone - 310 mL Cartridge
SkyGeek Price: $31.18
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Henkel 21746 Loctite RTV 5910 Silicone Flange Sealant - 300 mL Cartridge
SkyGeek Price: $48.58
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Momentive IS-802 White Silicone Adhesive Sealant - 10.1 oz Cartridge
SkyGeek Price: $4.03
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Momentive RTV-102 White Silicone Sealant
Starting At: $7.47
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Momentive RTV106 Red High Temp Silicone Sealant Paste
Starting At: $26.86
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Momentive RTV108 Clear Silicone Sealant
Starting At: $7.47
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Momentive RTV-109-12C Aluminum Silicone Sealant - 10.1 oz Cartridge
SkyGeek Price: $12.18
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Momentive RTV-157-3TG Gray High Strain Silicone Electrical Sealant - 2.8 oz Tube
SkyGeek Price: $36.95
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Momentive RTV-159-3TG Red High Strain Silicone Electrical Sealant - 2.8 oz Tube
SkyGeek Price: $34.79
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Momentive RTV-167-3TG Gray Electronic Grade Silicone Sealant - 2.8 oz Tube
SkyGeek Price: $46.35
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Momentive RTV-230-CTG SnapSil White Silicone Adhesive - 9.2 oz Cartridge
SkyGeek Price: $26.82
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Sikaflex 221 Polyurethane Sealant
Starting At: $7.08
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Sikaflex 292i White Marine High-Strength Polyurethane Adhesive - 10.5 oz Cartridge
SkyGeek Price: $12.88
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Wacker 60019661 ELASTOSIL E43 RTV-1 Silicone Rubber - 90 mL Tube
SkyGeek Price: $19.29
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Silicone-based formulas are used in a variety of different types of aerospace sealants browse the selection of silicone sealants from SkyGeek to find the perfect option for your aircraft maintenance. These sealants are made from 100 percent silicone rubber, which allows them to form a flexible and durable seal when cured. Silicone lends itself well to many different applications. This is why it is used to create high-temperature sealants, electrical insulation sealants and more. Two things that all of these options have in common is that they are weather-resistant and chemical resistant. This allows them to provide excellent protection to your aircraft while inhibiting corrosion and resisting damage.

High-temperature silicone sealants are specially designed to protect your aircraft from extremely high temperatures. They have very high flash temperature resistance as well as general extreme temperature tolerance. This sealant treatment is great to have during unexpected fires and explosions. Electrical insulation sealants are made to protect delicate aviation electronics from exposure to chemicals, weathering and damage. Many of them are even designed to conduct electricity in order to enhance the performance of the electrical components. These sealants, as well as other silicone-based sealants, can also be used in a variety of other applications. Use them as airplane window caulking or to seal vital aircraft parts. They come in both liquid and paste-like consistencies for varied applications.

SkyGeek is your number one source for everything you need as an aircraft owner, aviation mechanic or representative of a large aerospace corporation. We carry a huge stock of different aviation parts and supplies and are able to offer them to you at a great value. We sell single quantities of most of our products and offer bulk discounts on large orders. In addition to silicone sealants, you'll also find a variety of different aerospace sealants, aircraft and engine parts, aviation tools and equipment, avionics and flight instruments and more.

If you have any additional questions, we encourage you to check out our knowledgeable Help Center.

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