Re-yingcai® Self-Cleaning Anti-Iron-Powder Nano Coating for PV Glass is a specialized protective treatment independently developed by Dongguan Yingcai New Material for PV installations in heavy-industry environments. Its inorganic nanosilica film is dense and smooth, blocking the adhesion of iron powder, rust particles and metallic dust at the source. Strong hydrophobic self-cleaning performance allows rainfall to remove surface contamination and helps prevent iron powder from oxidizing into stubborn rust stains. The coating maintains PV glass light transmission and power output and provides long-term protection for distributed solar modules at steel mills, heavy-industry plants and smelting parks.
Product Features
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Self-Cleaning PerformancePhotocatalytically decomposes organic contaminants while rainwater washing enables maintenance-free cleaning, reducing PV and curtain-wall cleaning frequency by more than 70%.
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SuperhydrophilicityA water contact angle below 5° allows water to spread rapidly and carry away dust efficiently, reducing contaminant buildup.
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High Light TransmittanceLight transmittance loss below 2% helps ensure that PV light-absorption efficiency is not adversely affected.
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Strong Weather ResistanceResists ultraviolet exposure and temperatures from -40°C to 150°C for dependable performance in extreme climates.
Product Parameters
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Product Model YCB01010R Solid Content 12±1% pH Value 6.5–8.0 Curing Conditions Surface-dry in 20 minutes at room temperature; fully cured in 24 hours Light Transmittance Loss ≤0.3% Water Contact Angle ≥110° (hydrophobic self-cleaning) Film Thickness 60–120 nm Core Functions Resistance to iron-powder adhesion, hydrophobic self-cleaning and rust-stain corrosion Storage Conditions Store sealed in a cool, dark place; shelf life: 6 months
Photocatalytic Decomposition of Organic Contaminants
Titanium dioxide in the nano coating activates a photocatalytic reaction under light, oxidizing and decomposing organic contaminants such as bird droppings and oil into carbon dioxide and water. This chemical self-purification process continuously removes stubborn biological contamination without manual intervention, helping improve module light transmission and power-generation stability.
Superhydrophilic Self-Cleaning Mechanism
The coating forms a superhydrophilic structure with a water contact angle below 5°. Rainwater or dew spreads uniformly into a water film, penetrates the interface between contamination and glass, and uses gravity to wash away dust and particles efficiently. This prevents residual droplets and rain marks and enables automatic cleaning across the full surface.
Antistatic Resistance to Iron-Powder Adhesion
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By regulating surface resistance to the 10⁷–10⁹ Ω range, the coating effectively neutralizes the electrostatic field on the glass and interrupts the attraction of conductive contaminants such as iron powder and metallic particles. This substantially reduces the risk of iron-particle adhesion in industrial environments or during transportation and helps maintain a cleaner surface.
Long-Term Stability under Harsh Weather
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A nanocomposite inorganic material and tempered-bonding process provide excellent resistance to ultraviolet exposure, acid rain and thermal expansion and contraction. With a service life exceeding 15 years, the coating maintains optical transparency and functional integrity to support PV power-generation efficiency throughout the system lifecycle.
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