Silicone seals are essential components in new energy vehicles, medical equipment, and industrial production. Products such as dense silicone tubes, high-temperature resistant O-rings, soft silicone plug-in O-rings, and cylindrical sleeves are highly popular due to their good elasticity, durability, and high-temperature resistance. They can also be customized according to needs, which is also the preferred choice for most users nowadays.
The market size of domestic silicone seals is expected to reach 13.79 billion yuan in 2026, an increase of 7.2% compared with 2025. Among them, silicone seals account for an increasing proportion, and their application in high-end fields such as new energy vehicles and medical equipment is becoming more and more extensive. The requirements for seals in these high-end fields are getting higher and higher. The traditional ordinary seals are prone to deformation due to high temperature, aging and cracking after long-term use, and loss of elasticity, which can no longer meet the actual use needs.
The commonly used silicone dense tubes and high-temperature resistant O-rings on the market are made of high-purity raw materials, with obvious advantages. They can adapt to the temperature range of -60℃ to 200℃, and some specially customized products can even withstand higher temperatures, which can be used in high-temperature environments such as engine compartments and medical equipment. They have strong tear resistance, no deformation or breakage even after long-term extrusion and stretching, long service life, and no need for frequent replacement, thus reducing maintenance costs.
Customization service is also a major advantage of silicone seals. Due to the great differences in the specifications and performance requirements of seals in different industries and different equipment, standard products can hardly meet all use needs. Enterprises can customize silicone dense tubes, plug-in O-rings, cylindrical sleeves and other products of different specifications and performance parameters according to the actual needs of users, fully matching the use scenarios, and ensuring safe and stable use.
With the continuous upgrading of technology and the increasing demand for high-quality supporting components, silicone seals will be more widely used in various fields. The demand for products with good elasticity, strong tear resistance and customizable functions will continue to rise, becoming an important guarantee for the high-quality development of related industries.