Like ordinary silicone rubber, fluorosilicone rubber has good low temperature performance. Since fluorosilicone rubber is a linear polymer composed of soft Si-O as the main chain, its low temperature properties are better than those of fluororubber with C-C as the main chain. Among them, fluorosilicone rubber (LS-2370U) has better low temperature properties, and the brittle temperature is as low as -89°C, while the general fluororubber is about -30°C.
The weather resistance of fluorosilicone rubber is very good, even after 5 years of exposure, it still maintains good performance. Ozone is a very large amount of gas generated when elastomers age, but no cracks or cracks have been found in fluorosilicone rubber through dynamic or static tests. In addition, the mildew resistance, physiological inertia and anticoagulant properties of fluorosilicone rubber are also very good.
The electrical performance of fluorosilicone rubber is similar to that of ordinary silicone rubber, but it is particularly valuable in that it changes little under harsh conditions such as high temperature, low temperature, humidity, oil, solvent, chemicals, and ozone. The radiation resistance of fluorosilicone rubber is not outstanding, but its radiation aging resistance is better than that of methyl vinyl silicone rubber.
Like ordinary silicone rubber, fluorosilicone rubber has relatively low mechanical strength (especially tear strength) of vulcanized rubber.
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