Phenyl silicone rubber is a high-performance silicone rubber material composed of monomers such as styrene and dimethylsilane. It has been widely used in many industrial fields due to its excellent high and low temperature resistance.

The high temperature resistance of phenyl silicone rubber is mainly due to the presence of siloxane groups. Siloxanes have high chemical inertness and thermal stability, and can maintain good elasticity and physical properties even at high temperatures. This makes phenyl silicone rubber an ideal choice for high-temperature sealing and insulation materials in fields such as automotive manufacturing, aerospace, and electronics.

At the same time, phenyl silicone rubber also has excellent low-temperature resistance. By introducing phenyl groups on the side groups of polydimethylsiloxane, the regularity of the dimethylsiloxane structure is disrupted, greatly reducing the crystallization temperature of the polymer and expanding its low-temperature application range. Low phenyl silicone rubber (with a phenyl content of 5-15%) can maintain good flexibility at -115 ℃, making it an indispensable elastic material in extremely low temperature environments.

In addition, Phenyl silicone rubber also has high electrical insulation performance and radiation resistance, making it widely used in fields such as power, electronics, and military industry. As the benzene content increases, the flame resistance and radiation resistance of silicone rubber gradually improve, but the cold resistance may decrease. Therefore, when choosing phenyl silicone rubber, it is necessary to weigh the specific application scenarios.

Overall, phenyl silicone rubber plays an irreplaceable role in many industrial fields due to its excellent high and low temperature performance, as well as good electrical insulation and radiation resistance.

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