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High Performance Solar Junction Box and Inverter Potting Sili

Product No:HY-9400
Brand:Hong Ye Silicone
Product Usage:HONG YE SILICONE High Performance Potting Silicone is a two-component addition-curing liquid silicone rubber specifically engineered for solar energy and renewable power applications. This professional-grade encapsulant provides critical protection for solar junction boxes, inverters, charge controllers, and battery management systems operating in harsh outdoor environments.

Key Features:
  1. Outstanding UV and Weather ResistanceThe cured silicone maintains full performance under continuous UV exposure and extreme weather conditions. Unlike epoxy alternatives that yellow and crack over time, our silicone formulation resists degradation from sunlight, rain, salt spray, and temperature cycling, making it ideal for rooftop and ground-mount solar installations with 25+ year service life requirements.
  2. Wide Temperature Range OperationReliable performance from -60 degrees Celsius to 220 degrees Celsius. The material absorbs thermal stress during daily temperature cycling in desert, arctic, and tropical installations, protecting delicate semiconductor components and solder joints from fatigue failure.
  3. Superior Moisture and Dust ProtectionProvides complete environmental sealing with IP67-level protection when fully encapsulated. Prevents moisture ingress, corrosion of electrical connections, and contamination from dust, sand, and pollutants that can cause premature failure in outdoor solar equipment.
  4. Self-Adhesive Bonding to Multiple SubstratesBonds strongly to aluminum, stainless steel, PC, PMMA, and PCB surfaces without primer. Ensures the potting compound stays firmly attached to junction box housings and inverter components, preventing delamination under thermal cycling and vibration.
  5. Thermally Conductive Options AvailableSelect models offer enhanced thermal conductivity up to 0.6 W/mK for efficient heat dissipation from high-power inverter components and battery modules, extending operational life and maintaining conversion efficiency.
  6. Reworkable for Field MaintenanceUnlike rigid epoxy, cured silicone remains flexible and can be cut open for component repair or replacement in the field, then re-potted seamlessly. This reduces maintenance costs for solar farm operators and enables inverter refurbishment instead of full replacement.
Technical Specifications:
  • Viscosity: 600-2500 mPa.s (adjustable by model)
  • Mixing Ratio: 1:1 by weight
  • Working Time: 15-80 minutes at 25 degrees Celsius
  • Curing Time: 2-12 hours at room temperature, 20 minutes at 80 degrees Celsius
  • Temperature Range: -60 to 220 degrees Celsius
  • Dielectric Strength: 25-30 kV/mm
  • Flame Rating: UL94 V-0/V-1
Typical Applications:
  • Solar panel junction box encapsulation
  • Solar inverter potting and sealing
  • Charge controller protection
  • Battery management system encapsulation
  • Wind turbine control electronics potting
  • Energy storage system module protection
  • Outdoor LED driver encapsulation for street lighting
Certifications: UL, RoHS, REACH, ISO9001, CE

Packaging: 1kg, 5kg, 25kg, 200kg drums
MOQ: 2kg for sampling
Customization: All parameters adjustable per requirements

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