On September 1, 2024, Tianyan intellectual property information shows that Dongguan Zhengan Silicone Technology Co., Ltd. has obtained the patent of "a kind of high temperature and steam aging resistant mixed silicone rubber and its preparation method", the authorization announcement number CN116218230B, the application date is January 2023. The mixed silicone rubber is introduced with Benthyl polymer as the preparation material, which can significantly improve the high temperature and vapor aging resistance of silicone rubber, which can withstand both high temperature of 50℃ and saturated steam of 100℃. After steaming and baking cycle aging for 168h, the mixed silicone rubber has high performance retention rate and good elasticity, which can effectively meet the sealing requirements of extreme conditions such as steaming and baking machine.