Liquid silicone rubber (LSR) is a small amount of water as an initiator, or platinum as a catalyst, vulcanized cross-linked in the atmosphere or heated state of an elastomer, according to the form of packaging is divided into one component and two components (multi-component) two categories, according to the type of reaction can be divided into condensation type or added forming liquid silicone rubber. Liquid silicone rubber does not contain any stabilizers, plasticizers or accelerators, and as a cross-linked material, it can withstand very high temperatures without thermal aging, and can maintain its mechanical properties and elasticity. By changing some of the side groups on it, the material can be modified to meet a specific function or requirement. LSR has excellent chemical stability, oil resistance and weather resistance, can be stable in the temperature range of 50 ° C to 180 ° C, can be stable at temperatures above 250 ° C with the addition of a stabilizer, and can be low temperature flexibility at -60 ° C. LSR is usually transparent, can be added to other pigments as needed, and is very easy to color, and is widely used in electronic component sealing, pipe sealing, medical devices, keyboards and baby-related supplies. Liquid silicone rubber has great development potential in the fields of 3D printing, waterproof, coating, food contact silicone and wearable parts. Of course, applications in the automotive industry also achieve a full range of coverage, such as connectors in the automotive industry, electric vehicle battery seals, engine gaskets, headlight seals and shock absorbers, etc., becoming the preferred material to provide sealing, insulation and protection of internal application solutions.

The rapidly changing technology trends in the electric vehicle manufacturing industry are driving silicone manufacturers to adopt innovative approaches to producing customized products. Liquid silicone rubber solutions in new energy vehicles mainly have four applications: sealing waterproof, safety protection, structural thermal conductivity, lightweight. Liquid silicone elastomers are the most prominent product segment in the electric vehicle market and their growth can be attributed to their wide range of applications such as seals, housings and gaskets for insulation of various components such as connector seals, heat sinks, etc., forming a heat shield around the battery pack to protect the cell from overheating or undercooling. In addition, it is possible to insulate or help dissipate heat through custom design to ensure optimal operating temperatures. To accommodate harsh Spaces, silicone is designed to withstand severe vibration. Short circuit and overcurrent are the main causes of battery failure in electric vehicles, and the dielectric properties of silicone rubber protect and isolate key components, making the battery and bus from power surges and helping to prevent battery fires.

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