Re-yingcai® Hydrophilic Self-Cleaning Nano Coating for Solar Panels is formulated with photocatalytic titanium dioxide nanoparticles using advanced dispersion technology. It provides strong UV shielding, excellent dispersion stability and long-term weather resistance. By combining superhydrophilic water spreading, photocatalytic decomposition and nanoscale surface engineering, the coating helps improve PV power-generation efficiency while reducing cleaning and maintenance costs.
Product Features
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Light-Transmission GainAfter film formation, PV glass light transmission can increase by approximately 0.3%–0.8%.
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Hydrophilic PerformanceRainwater spreads across the surface instead of forming hanging droplets, helping prevent residual water marks and dirt.
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Long-Term Weather StabilityDesigned for five years of outdoor exposure without yellowing, cracking or significant loss of hydrophilic performance.
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UV Ageing ResistanceHelps protect the glass surface from ultraviolet ageing and associated degradation in light transmission.
Product Parameters
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Product Name Hydrophilic Self-Cleaning Nano Coating for Solar Panels Model YCB01003R Water Contact Angle <10° (Superhydrophilic) Light-Transmission Loss <3% Working Principle Hydrophilic water-film spreading removes surface dust and contaminants Operating Temperature −30°C to 120°C Application Method Spray or roller application (water-based)
Hydrophilic Water Spreading for Rain-Assisted Cleaning
The coating creates a nanoscale hydrophilic structure that substantially lowers the water contact angle. Rainwater rapidly spreads into a continuous film, then uses capillary action and gravity to lift and carry away inorganic dust and particles. This non-contact cleaning process requires no manual intervention and helps keep the optical surface clean.
Photocatalytic Oxidation of Organic Contaminants
Under the ultraviolet component of daylight, nano titanium dioxide in the coating helps oxidise and decompose bird droppings, grease, pollen and other organic contaminants into carbon dioxide and water vapour. The passive process requires no additional energy and helps limit biofilm and stain accumulation.
Antistatic Surface That Reduces Dust Adhesion
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By regulating surface conductivity, the coating helps neutralise static charge on solar panels and weakens the electrostatic attraction of airborne particles. Combined with hydrophilic water spreading, this reduces dust attachment at an early stage and supports more consistent light transmission over time.
Weather- and Ageing-Resistant Long-Term Protection
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The coating offers strong chemical stability against ultraviolet ageing, acid rain and repeated hot-cold temperature cycles. Its adhesion and durability provide sustained protection in demanding outdoor environments and help extend the service life of solar panels.
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