In the realm of industrial production, high-performance materials are fundamental to driving industrial upgrading and enhancing product quality. Silicone rubber, a specialty material that combines excellent electrical insulation, high and low-temperature resistance, and chemical stability, has been widely adopted in key industries such as automotive manufacturing, electronics, new energy, and construction. Leveraging its unique performance advantages, silicone rubber helps solve technical challenges in production, supports enterprises in improving quality and efficiency, and injects new momentum into high-quality industrial development.

The automotive manufacturing industry is one of the most extensive application areas for silicone rubber, with demand continuously rising amid the rapid growth of new energy vehicles. Industry data indicate that China’s new energy vehicle sales are expected to reach 12 million units by 2025, with an average silicone rubber usage of 1.8–2.2 kg per vehicle—significantly higher than traditional fuel vehicles. This alone is projected to drive the demand for automotive silicone rubber to exceed 220,000 tons by 2025. In automotive production, silicone rubber is widely used in critical components such as seals, vibration dampers, and insulating parts, including engine block gaskets, door and window seals, and high-voltage connector insulation. Its outstanding temperature resistance maintains elasticity in extreme conditions from -60°C to 180°C, preventing component aging and leakage due to temperature fluctuations. Its effective vibration damping and noise reduction capabilities minimize vibrations and noise during vehicle operation, enhancing driving comfort. Additionally, its superior electrical insulation ensures the safe and stable operation of high-voltage circuits in new energy vehicles, reducing safety risks.

In the electronics and information technology sector, silicone rubber has become a core material for electronic component manufacturing due to its excellent high-frequency signal integrity and low dielectric constant. In products like smartphones, tablets, and smart wearable devices, silicone rubber is used for buttons, sealing rings, and thermal pads, providing waterproofing, dust resistance, shock absorption, and improved heat dissipation to ensure stable long-term operation. Silicone rubber cables far exceed traditional materials in insulation resistance stability under high temperature and humidity conditions. For instance, standard 0.6/1 kV cables can pass a 3.5 kV/5‑min power frequency withstand voltage test, making them ideal for wiring in electronic devices and industrial control systems while effectively preventing short circuits and leakage. Furthermore, in precision electronic instrument manufacturing, silicone rubber offers high molding accuracy, enabling the production of micro-seals and insulating sleeves to meet the demands for miniaturization and refinement in electronic components.

In the new energy and construction industries, the value of silicone rubber is equally prominent. In the photovoltaic sector, China’s new installed PV capacity is projected to reach 200 GW by 2025. Silicone rubber is used in PV module junction box sealing, backsheet bonding, and cable sheathing, with annual demand increments steadily exceeding 35,000 tons. Its excellent weather resistance and waterproofing ensure the long-term stable operation of PV modules in harsh outdoor environments, extending their service life. In construction, silicone sealants are critical materials for prefabricated buildings and glass curtain walls. Room-temperature vulcanizing silicone rubber provides exceptional weather resistance and displacement compensation, accommodating joint movement of up to ±25% and offering a service life of over 25 years—far surpassing traditional sealing materials. This contributes to improved quality and efficiency in construction projects while enhancing sealing, waterproofing, and safety.

As technology continues to advance, the performance of silicone rubber products will keep improving, and their applications will further expand. In the future, silicone rubber will continue to empower various industrial sectors, promoting greener, more efficient, and smarter industrial development, and providing robust support for high-quality industrial growth.

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