AR Coating Solar Glass

 

Anti-reflective (AR) coating is applied to low-iron patterned or flat solar glass after the base glass production (raw materials, melting, forming, annealing, cutting). The most common industrial method is sol-gel porous silica coating, often using roller coating , followed by drying and integration with tempering. AR coatings reduce reflection via destructive interference, boosting light transmittance by 2-4% and module efficiency by ~2-3%.

 

Difference between anti-reflective coating solar glass and regular solar glass

 

The main difference between AR coating solar glass and regular solar glass is that anti-reflective coating solar glass has a special coating that helps to reduce reflection and glare, while regular solar glass does not.

 

Another difference between AR-coated solar glass and regular solar glass is that anti-reflective coating solar glass may be more expensive due to the additional coating. However, the increased efficiency and energy output of the solar panel system can often offset the additional cost over time.

 

Overall, ARC solar glass is an important component of solar panel technology that can help to increase the efficiency and energy output of solar panels while also improving their durability and lifespan.

 

 

 

Name	AR Coating Solar Glass
Light transmittance	≥ 94.5%
Energy output increase	Up to 5% In actual conditions (kwh)
Thickness tolerance	±0.2mm
Dimension tolerance	±0.5-1.0mm
Diagonal difference	≤0.1-0.2%
Iron content (Fe2O3)	≤120ppm
Overall Bow/warp	<0.2%
Local warp	≤ 0.3mm / 300mm
Fragmentation Test	≥40 particles within 50x50mm EN12150

 

 

 

Glass Substrate Preparation

Clean the annealed low-iron solar glass thoroughly (e.g., with detergents and deionized water) to remove contaminants, ensuring strong adhesion of the coating.

 

Roller Coating Application 

Apply uniform nano-layer using precision rollers for high-volume production on flat/large panels.

 

Quality Control and Tempering

Inspect for uniformity, transmittance (>93-95%), and durability. Final tempering ensures mechanical strength and permanent bonding.

 

 

 

Glass Safety Protection
Solar glass is packed in reinforced wooden crates with corner guards to effectively prevent breakage during handling and transportation.

Anti-Scratch Protection
Cork pads are placed between each glass sheet to prevent surface scratches and friction damage.

Anti-Mold & Moisture Control
To prevent mold during long-distance sea transportation:

• Anti-mold powder or anti-mold paper is applied between each glass sheet.
• Multiple desiccant packs are placed inside every wooden crate to absorb internal moisture.

Moisture & Rain Protection
Each crate is tightly wrapped with PE film, providing an additional barrier against humidity and water ingress during transit.

Safe Container Loading

• Our professional logistics team designs the container loading plan based on crate size, quantity, and weight distribution.
• To prevent tipping or movement during transport, steel straps and plywood blocks are used to firmly secure each crate to the container walls, ensuring maximum stability throughout the journey.

From packaging to container loading, every step is designed to deliver maximum protection, reliability, and peace of mind.

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