Plastics and Rubber Trade Fair K 2025 by Wacker: Innovative silicone rubber enhances safety of electric vehicle batteries during traction
Wacker, a leading chemical company, has unveiled a new silicone rubber, Elastosil R 531/60, designed to boost the safety of traction batteries in electric vehicles (EVs). This innovative material offers robust electrical insulation and fire resistance, making it ideal for insulating busbars in high-voltage battery packs.
Key Benefits and Features
Elastosil R 531/60 boasts several key features that make it an excellent choice for enhancing the safety and reliability of EV batteries.
Flame Resistance
In the unfortunate event of a fire, Elastosil R 531/60 forms an electrically insulating ceramic layer. This layer helps prevent short circuits, thereby improving passenger and fire safety. This feature is crucial for minimizing fire risks in EV battery packs [1].
High Temperature Stability
The new silicone rubber can withstand operating temperatures up to 205 °C without degradation, ensuring reliable insulation performance under the thermal stresses typical in EV batteries [1].
Electrical Insulation for High-Voltage Systems
Elastosil R 531/60 supports rising battery voltages in EVs, addressing the growing demand for efficient, durable insulation as power and charging speeds increase [1][4].
Flexibility under Wide Temperature Ranges
The material remains highly flexible even at temperatures as low as -40 °C, protecting the battery components from mechanical stress and environmental temperature fluctuations [2].
Cost-Effective Extrusion Processing
Elastosil R 531/60 can be processed by extrusion, enabling efficient manufacturing of insulating components at scale [1][3].
These features work together to enhance the overall safety and reliability of high-voltage traction batteries. By preventing leakage currents, reducing energy losses, and mitigating fire hazards through advanced flame-resistant insulation of critical busbar components inside EV battery packs, Elastosil R 531/60 contributes directly to improved passenger safety and battery durability in electric vehicles [1][2][3][4].
Exhibition at K 2025
Wacker is showcasing Elastosil R 531/60 at the K 2025 International Trade Fair for Plastics and Rubber, which will be held in Duesseldorf, Germany, from October 8 to 15. You can find the product on display in Hall 6, Booth A10.
References:
[1] Wacker Chemicals Corporation. (n.d.). Elastosil R 531/60. Retrieved from https://www.wacker.com/en/products/elastosil-r-531-60
[2] Wacker Chemicals Corporation. (n.d.). Elastosil R 531/60: Properties. Retrieved from https://www.wacker.com/en/products/elastosil-r-531-60/properties
[3] Wacker Chemicals Corporation. (n.d.). Elastosil R 531/60: Processing. Retrieved from https://www.wacker.com/en/products/elastosil-r-531-60/processing
[4] Wacker Chemicals Corporation. (n.d.). Elastosil R 531/60: Applications. Retrieved from https://www.wacker.com/en/products/elastosil-r-531-60/applications
[5] Wacker Chemicals Corporation. (n.d.). Elastosil R 531/60: Safety Data Sheet. Retrieved from https://www.wacker.com/en/products/elastosil-r-531-60/safety-data-sheet
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