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Engineered for high-volume automated dispensing and critical electronic bonding across American assembly facilities.
Addressing stringent ASTM, UL 94 V-0 flame-retardant standards and automated assembly requirements across North America.
With the rapid expansion of EV battery Gigafactories across Michigan, Texas, Georgia, and Nevada, white silicone adhesives provide crucial electrical insulation, heat dissipation, and vibrational damping for Battery Management Systems (BMS), power inverters, and onboard chargers.
U.S. industrial buyers require non-corrosive, neutral alkoxy-curing white silicones that pass UL 94 V-0 flammability tests, low VOC outgassing (ASTM E595), and MIL-STD-810 thermal shock tests (-60°C to +250°C), ensuring extreme environmental endurance in aerospace and defense operations.
Modern US smart factories rely on precision Cartesian and 6-axis robotic dispensing. Our white room-temperature vulcanizing (RTV) silicones deliver shear-thinning thixotropy, eliminating slumping and stringing on high-speed SMT lines and high-density PCBA components.
To serve the sophisticated technical demands of US Tier-1 suppliers and contract manufacturers (EMS), our functional white silicone adhesives combine high dielectric breakdown strength with exceptional thermal conductivity and primerless adhesion to aluminum alloys, polycarbonates, and FR-4 substrates.
| Performance Parameter | Songxi High-Performance White Silicone | Standard Commercial Silicone | U.S. Engineering Compliance |
|---|---|---|---|
| Appearance & Curing Mechanism | Pure White Thixotropic Paste / Neutral Alkoxy RTV-1 | Semi-translucent / Acetic or Oxime Curing | Non-corrosive to copper & silver solder pads |
| Flame Retardant Rating | UL 94 V-0 Certified (Thickness 0.8mm - 3.0mm) | HB or Non-rated | UL / cUL Listed for North American Electronics |
| Dielectric Strength (kV/mm) | ≥ 22.0 kV/mm | 12.0 - 15.0 kV/mm | ASTM D149 / IPC-CC-830C Qualified |
| Thermal Conductivity (W/m·K) | 0.8 – 2.5 W/m·K (Customizable) | 0.2 W/m·K | Optimized for IGBT & LED heat management |
| Operating Temperature Range | -60°C to +260°C (-76°F to +500°F) | -40°C to +150°C | SAE J1455 Heavy-Duty Automotive Compliant |
Supplying comprehensive functional polymer chemistries tailored for demanding international supply chains and localized American industrial applications.
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, Songxi's R&D team has nearly twenty years of silicone application experience and has participated in over 100 product development projects. We maintain cooperation with research 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.
Providing seamless CIF, DDP, and FOB shipping models with rapid sample prototyping and comprehensive regulatory documentation.
Direct factory pricing structured by annual contract volume, ranging from standard 310ml cartridges and 2600ml sausages to 20kg pails and 200L bulk drums for automated pumping stations. OEM private labeling and customized viscosity formulations available upon request.
Express air samples delivered to US major hubs (Los Angeles, Chicago, Dallas, New York) within 3-5 business days. Full sea freight container handling with complete dangerous/non-hazardous goods chemical declarations, TDS, SDS (OSHA HazCom compliant), and COA per batch.
Our doctoral polymer engineering team modifies cure speed (skin-over time 5 to 30 min), elongation at break (150% to 500%), hardness (Shore A 25 to 70), and optical brightness to match automated dispensing cycle times and specific end-use thermal envelope limits.
Select from our complete range of certified silicone, UV-curable, and polyurethane formulations for electronic bonding and potting.
