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High-reliability encapsulation, structural bonding, and thermal conductive formulations for next-generation vehicle architectures.
Addressing high-voltage battery architecture challenges with multifunctional waterproof adhesive sealants.
As the automotive industry accelerates its transition toward 800V high-voltage platforms and ultra-fast charging capabilities, the Battery Management System (BMS) has become the core neurological hub ensuring vehicle safety, cell longevity, and power efficiency. Within modern electric vehicles (EVs), BMS slave and master boards are subjected to harsh operating environments characterized by thermal cycling (-40°C to 125°C), intense mechanical vibrations, chemical exposure, and moisture ingress. Consequently, the role of a specialized waterproof adhesive sealant for automotive electronics BMS chip thermal dissipation has transitioned from basic structural retention to high-performance functional protection.
Bridging microscopic air gaps between high-heat BMS microcontrollers, MOSFETs, and heatsinks to eliminate localized hotspots.
Forming resilient elastomeric seals that completely block water vapor, ionic contaminants, and automotive fluid permeation.
High breakdown voltage prevents short-circuits and electrochemical migration while absorbing dynamic chassis shock.
High-density packaging in BMS printed circuit board assemblies (PCBAs) concentrates thermal fluxes around power management integrated circuits (PMICs), microcontrollers (MCUs), and cell-monitoring ASICs. Air exhibits a poor thermal conductivity of approximately 0.026 W/m·K. Applying a thermally conductive waterproof adhesive sealant displaces interstitial air with polymeric matrices filled with engineered ceramic particles (such as specialized aluminum oxide or boron nitride). This creates a direct, low-thermal-resistance pathway to the BMS enclosure or thermal spreader.
The global EV supply chain is transitioning toward automated, high-precision dispensing processes. Modern production lines demand low-volatile organic compound (VOC), room-temperature vulcanizing (RTV) silicones, one-part moisture cure polyurethanes, and two-component structural polyurethanes that offer fast fixture times and deep-section curing capabilities. Furthermore, flame retardancy certified to UL 94 V-0 is non-negotiable to suppress thermal propagation risks inside the battery pack enclosure.
Songxi Technology is a high-tech enterprise specializing in the R&D, production, and sales of electronic adhesives. Based on silicone, polyurethane, acrylic, and epoxy systems, we provide reliable bonding, sealing, and protection solutions for power electronics, optoelectronics, new energy, automotive, and aerospace industries.
We are committed to becoming a trusted provider of functional polymer material solutions for the electronics industry. Through continuous innovation and application development, we promote the localization of high-end electronic adhesives and help intelligent devices achieve greater stability and durability.
Specialized functional polymer solutions tailored for mission-critical electronic assemblies.
Songxi's business covers three functional areas: adhesive & sealing, potting & protection, and thermal interface materials. Our product portfolio includes PCBA fixing adhesives, UV adhesives, sealants, thermal conductive potting compounds, thermal greases, pads, two-component thermal gels, EMI shielding sealants, and reactive hot melt adhesives.
Our products serve power batteries, photovoltaic modules, drones, automotive electronics, 5G communications, and LED lighting. We provide both standard products and customized solutions for applications such as BMS conformal coating, IGBT thermal filling, and power battery structural bonding, supported by extensive technical experience and application expertise.
Led by a Ph.D. in Polymer Materials from Sichuan University with nearly 20 years of silicone and polymer expertise.
Songxi's R&D team has participated in over 100 product development projects, maintaining active research collaborations with premier institutions including Chenguang Chemical Research Institute, Sichuan University, and Beijing Institute of Technology. Certified with ISO9001, Songxi operates a comprehensive management system covering procurement, production, inspection, and after-sales service. Our products comply with RoHS and REACH requirements, with SGS verification and UL 94 V-0 flame retardant certification, ensuring consistent quality and reliable delivery.
Explore our full line of functional polymer materials engineered for automotive, electronics, and aerospace applications.
Songxi adheres to integrity and quality throughout material selection, production, and delivery, turning reliability into a competitive advantage and earning long-term customer trust through professional service and continuous improvement across global markets.
