Phenyl silicone rubber, known for its exceptional resistance to extreme temperatures and radiation stability, is emerging as a critical material in aerospace applications. In high-altitude flights and deep-space missions, equipment must withstand drastic temperature fluctuations and complex conditions. Thanks to its outstanding thermal stability, phenyl silicone rubber maintains reliable mechanical strength and flexibility within a wide range of -60°C to +300°C. Moreover, its excellent electrical insulation ensures safety for spacecraft electronic components. With the continuous progress of space technology, phenyl silicone rubber is being increasingly applied in seals, cable insulation, and high-temperature coatings, playing a vital role in advancing aerospace engineering.