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Aerospace sealants, compounds and coatings: manufacturing, testing, custom repackaging. Call (+1) 860-243-3222
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Silicone Rubber Compounds

FMi Chemical offers manufacturing, product testing and certification, and custom packaging of silicone rubber compounds––all with fast delivery to meet your production and maintenance schedules.

FMi Chemical is a trusted supplier to leading aircraft manufacturers and MRO facilities worldwide. You can count on us to deliver silicone rubber compounds that meet your specifications for quality and performance; many available with FMi custom packaging to streamline inventory management and speed production (contact us for all available containers and sizes).

Ready to place an order? Require technical or application support? Need more information? Give us a call. Our team is ready to help.

    Contact us today.
    Call (+1) 860-243-3222, or use this quick contact form.

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New! Thermosil 7005  |  FMi Chemical, Inc.
One-part, low-density, heat-resistant silicone rubber compound used to create an abradable air seal for high-speed compressor blades in jet aircraft engines, or for applications where a flexible, machinable, temperature-resistant sealant is required. Supplied in gallon pails, dispensing gun cartridges, and FMi custom packaging to meet customer-specific applications.
Color: black
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Thermosil T7000  |  FMi Chemical, Inc.
Two-part, low-density, heat-resistant silicone rubber compound used to create an abradable air seal for high-speed compressor blades in jet aircraft engines. Supplied in FMi custom packaging, in 2.74 kg A/B kits, and void-free A/B injection cartridges.
Color: black/clear, mixed final color is black
(PWA 407, CPW 413)


RTV 668  |  Momentive Performance Materials Inc.
Two-part, heat-resistant, high durometer, silicone rubber compound specially formulated for sulfur resistance. 
It is ideal for casting applications with masters made from pine, oak, and elm. FMi custom packaging available.
Color: white/green
(PWA 404)
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Dowsil™ 3-6891  |  The Dow Chemical Company
One-part, silicone rubber compound that cures with heat. Once cured, it remains flexible and abradable. Supplied in original manufacturer's packaging.*
Color: black
(PWA 36447)

Photos show commonly requested packaging. Contact us for all available containers and sizes.
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Nonmetallic Materials Testing
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ISO 9001:2015 and AS9100D certified  •  Nadcap accredited for nonmetallic materials testing  •  ANAB accredited per ISO/IEC 17025:2017 standards  •  LCS (Pratt & Whitney approved supplier)

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All brand names and trademarks are the property of their respective owners. Content provided herein is intended for informational purposes only. Specifications are subject to change without notice. Contact us for product, technical, and applications assistance.