Fluorosilicone (also known as fluorinated silicone rubber) is a widely used synthetic elastomer that can be used to service a wide range of applications.  The mechanical and physical properties of fluorosilicone are very similar to that of silicone rubber, but there are some important differences to note. For example, fluorosilicone rubber offers improved resistance to fuel and mineral oils, but compared with silicone, possesses poor resistance to heated air and gases.

Canada Rubber Group Inc. (CRGI) uses fluorosilicone rubber to manufacture a wide range of products. These products work particularly well in applications where prolonged exposure to aromatic compounds, chlorinated solvents, oxidizing agents, and oils is prevalent. Particular benefits of fluorosilicone rubber are the following:

Fluorosilicone rubber is not well suited to dynamic sealing applications. The material has limited physical strength and is a poor choice where resistance to abrasion is desired. When exposed to abrasive materials and compounds, the material tends to wear and degrade quickly. In addition, certain compounds, such as brake fluids, amines and ketones, attack fluorosilicone rubber: its use should therefore be avoided in applications involving these substances. Another limitation of fluorosilicone rubber is that it is permeable to most vapours and gases.

At CRGI, we work with fluorosilicone rubbers and sponges to produce a wide array of products, including the following:

If you have an application that requires products made from fluorosilicone rubber, please contact our sales department at crg@canadarubbergroup.com for further information.


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