Phenyl rubber, also known as phenyl silicone rubber, is a special organic silicon material that introduces phenyl groups into the main chain siloxane structure. The performance characteristics of this material are closely related to the benzene content in its molecular structure, which is usually between 2.5% and 60%. Different contents endow the material with completely different physical and chemical properties.

The introduction of phenyl groups breaks the regularity of the dimethyl siloxane molecular chain, significantly reducing the crystallization tendency of the molecular chain, thereby endowing the material with excellent low-temperature resistance. Even in extremely cold environments of minus 120 degrees Celsius, phenyl rubber can still maintain excellent elasticity and will not undergo brittle cracking, which makes it irreplaceable in the field of low temperature resistance.

In addition to its low temperature resistance, the rigid structure of the phenyl group also enhances the thermal stability of the molecular chain. Compared with ordinary methyl vinyl silicone rubber, phenyl rubber can maintain its elasticity and mechanical strength even after working continuously for thousands of hours in high temperature air at 250 degrees Celsius, demonstrating excellent heat aging resistance.

Meanwhile, the phenyl structure endows the material with excellent radiation resistance and ozone resistance, enabling it to maintain structural stability even in nuclear radiation or strong oxidative environments. In terms of chemical stability, it is resistant to oil and solvents, and exhibits good solubility in certain specific solvents. This combination of high and low temperature resistance, radiation resistance, oil resistance, and chemical stability forms the core foundation of phenyl rubber as a high-performance specialty rubber.

Regarding liquid silicone rubber, please refer to our website for details: IOTA Liquid Silicone Rubber