A breakthrough in low-stress relaxation fluorosilicone compound technology has been made, expanding the application boundaries of high-end sealing
Recently, the field of fluorosilicone compounds has witnessed a key technological innovation. A low-stress relaxation fluorosilicone compound has been successfully developed, effectively addressing the industry pain point of easy leakage in traditional products during long-term sealed use. This provides a more reliable material solution for high-end manufacturing fields such as aerospace and automobiles.

1. Industry pain points urgently need to be addressed
Fluorosilicone compound, with its wide temperature range adaptability from -60 ℃ to 250℃ and excellent oil resistance, has long been the core material for high-end seals and is widely used in key components such as O-rings and gaskets. However, traditional products have the problem of rapid stress relaxation. In static sealing scenarios, they are prone to leakage due to stress attenuation, which greatly limits their application range in harsh working conditions. The current improvement technologies either lead to material brittleness and insufficient strength, or fail to balance oil resistance and mechanical properties, making it difficult to meet the strict requirements of high-end manufacturing.

2. Innovate the design to build a three-dimensional cross-linked network
The core breakthrough of this research and development lies in the application of the new type of anti-stress relaxant. Through a unique molecular structure design, this anti-stress relaxant simultaneously introduces butyl, allyl and trifluoropropyl groups, forming a multi-chain length three-dimensional spatial cross-linked network with fluorosilicone raw rubber. This structure not only avoids the excessive concentration of crosslinking points caused by single-chain length crosslinking, but also effectively resizes the damage of external stress to the network, fundamentally slowing down the speed of stress relaxation.


3. Achieve multiple breakthroughs while balancing performance
The fluorosilicone compound prepared by the new technology not only maintains excellent oil resistance but also significantly improves mechanical properties, with good tensile strength and elongation performance, completely solving the problem of "neglecting one aspect for another" in traditional technology. The stress relaxation rate is significantly reduced, the service life of the sealing parts is greatly prolonged, and no additional processes are required during the production process. Only a small amount of additives need to be added in the mixing stage to achieve performance upgrades, which has good industrialization feasibility.


4. The application space in high-end fields is vast
This new type of fluorosilicone compound has been preliminarily verified for its adaptability in scenarios such as aerospace hydraulic systems and automotive fuel systems, and can meet the long-term sealing requirements in extreme environments. With the advancement of industrialization, its application will further expand to fields such as ships and petrochemicals, providing material support for the reliability improvement of high-end equipment and promoting the related manufacturing industry to develop towards higher quality.