Ultra-Clear Anti-Reflective Solar Glass for High-Efficiency PV Modules
Ultra-Clear Anti-Reflective Solar Glass for High-Efficiency PV Modules
Our solar glass is a specialized low-iron, hyper-tempered glass designed specifically as the front cover for photovoltaic (PV) modules and solar thermal panels. Engineered for maximum energy yield, it combines industry-leading transmittance with robust durability to withstand extreme environmental stress (Hail, Snow, Wind).
In the current landscape of renewable energy efficiency, every photon counts. Our glass utilizes advanced anti-reflective (AR) coating technology to ensure that your solar panels capture more light, early and late in the day, converting more sunlight into usable energy.
Key Technical Specifications
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Material: Low-Iron Ultra-Clear Float Glass
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Thickness: 2.0mm, 2.5mm, 3.2mm, 4.0mm (Customizable)
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Transmittance: ≥ 93.5% (with AR Coating) | ≥ 91.5% (Uncoated)
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Reflectance: ≤ 2% (AR coated surface)
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Hardness: Surface compressive stress > 90MPa
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Standard Size: 1645mm x 992mm, 1956mm x 992mm, or Customized
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Certifications: IEC 61730, UL, RoHS Compliant
Why Choose Our Solar Glass?
As a manufacturer with over 13 years in the glass processing industry, we offer a vertically integrated supply chain. From cutting and edge grinding to tempering and AR coating, every process is controlled in-house, guaranteeing strict quality control (QC) and competitive factory-direct pricing. We support OEM/ODM requirements for major solar brands.
1. Enhanced Light Capture
By utilizing a nano-porous anti-reflective coating on the surface, we reduce light reflection from a standard 8% down to less than 2%. This directly translates to a 2-3% increase in overall module power output. For large-scale solar farms, this marginal gain significantly boosts ROI.
2. Superior Durability & Safety
As a critical protective layer, this glass undergoes rigorous thermal treatment to become tempered. It can withstand hail up to 25mm in diameter at terminal velocity and heavy snow loads (5400Pa+), ensuring your panels last the full 25-30 year lifecycle without optical degradation.
3. Anti-Dirt & Self-Cleaning Properties
The hydrophobic nature of the AR coating minimizes dust and particulate adhesion. This reduces the need for frequent manual cleaning and ensures consistent performance in arid or high-pollution environments.
4. Aesthetic Appeal for BIPV
For Building Integrated Photovoltaics (BIPV), aesthetics matter. Our glass offers a true black appearance (when paired with cells) and a non-glare surface, allowing the panels to blend seamlessly into rooftops or facades.
Applications
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Standard PV Modules: Utility-scale and residential solar farms.
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BIPV: Solar roof tiles, skylights, and curtain walls.
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Solar Heaters: Cover plates for flat-plate thermal collectors.
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Agricultural PV: Semi-transparent variations available for greenhouse integration.
Frequently Asked Questions (FAQ)
Q: Does the anti-reflective coating wear off over time?
A: No. Our coating is applied via a sol-gel process and is sintered onto the glass surface, making it as hard as the glass itself. It is not a polymer film that can peel or yellow with UV exposure.
Q: Can this glass be used in bifacial solar panels?
A: Absolutely. While commonly used for the front side, our ultra-clear patterned glass (or fully tempered float glass) is also an excellent choice for the back side of bifacial modules to capture albedo radiation.
Q: What is the MOQ for custom sizes?
A: For standard sizes, there is no MOQ for sample testing.
Company Introduction
Founded in 2012, Fuxin Glass is a leading manufacturer specializing in the research, development, production, and export of cover glass, headquartered in Dongguan, China, near the ports of Shenzhen and Guangzhou.
With 13 years of industry experience, Fuxin serves customers in over 80 countries worldwide. With ISO/RoHS/JIS Z certifications, Fuxin Glass is dedicated to providing high-quality glass solutions for electronic displays and smart devices. Its products are widely used in interactive display, automotive electronics, industrial equipment, medical devices, home appliances, and smart devices. The products feature high light transmittance (over 95%), high hardness (Mohs 6), and excellent scratch and impact resistance. The 21,000-square-meter factory is equipped with four fully automated production lines, with a monthly production capacity of 300,000 pcs. We support small-batch trial production and large-scale delivery, and provide one-step technical support and after-sales service. Multi-dimensional customization is supported as well: including but not limited to mold design (samples can be produced in as fast as 7 days), special optical processing (AR/AF/AG/AM combination), explosion-proof structure design (multi-layer composite structure), color customization (7 colors are optional), silk screen logo, etc., to meet the personalized needs of customers. Our products have successfully entered mainstream markets such as North America, Japan, South Korea, India, and Europe, and widely serve interactive ( such us all in one machine, IFPD, smart white board ), automotive central control screens, industrial HMI, smart home panels and other fields.
We always adhere to the principle of "integrity, quality and win-win" and are willing to establish good long-term cooperative relationships with customers all over the world!
Inspection Progress
Factory Overview
Certification
Package
Delivery & Lead Time
| Original Country | China |
| FOB Port | Shenzhen or Hongkong |
| HS Code | 700719000 |
| Lead Time | Sample within 7 days, bulk order 15~20 days |
| Delivery | By sea / DHL / Fedex / UPS |
Payment Details
1. Glass Materials Used in Solar Glass
Low-Iron (Ultra-Clear) Glass
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Role: This is the standard and most critical substrate for solar panels. It has a significantly reduced iron oxide content compared to regular float glass.
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Function: Minimizes the greenish tint and maximizes light transmittance (typically >91% for 3.2mm thickness). Allowing more sunlight to reach the solar cells directly increases the module's power output and efficiency.
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Tempered (Heat-Strengthened) Glass
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Role: The low-iron glass is almost always tempered for use in solar modules.
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Function: Provides exceptional mechanical strength to withstand hail impact, wind loads, and snow. It enhances thermal shock resistance. Upon breakage, it crumbles into small, less hazardous granules instead of sharp shards, improving safety.
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2. Surface Treatments
Anti-Reflective (AR) Coating
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Process: Typically applied via atmospheric pressure chemical vapor deposition (APCVD) or sol-gel methods during the glass manufacturing (online) or later (offline). It creates a porous, nano-textured layer.
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Function: Reduces the reflection of sunlight from the glass surface (from ~4% to <1%) by creating an optical gradient. This increases the amount of light entering the module, especially during low-angle incidence (morning, evening, winter), leading to higher energy yield.
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Anti-Glare (AG) Treatment / Etching
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Process: Achieved through chemical etching (using hydrofluoric acid) or mechanical texturing of the glass surface to create a microscopically rough structure.
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Function: Scatters reflected light diffusely rather than specularly (like a mirror). This drastically reduces glare and visual "hot spots," which is critical for installations near airports, highways, residential areas, or buildings (BIPV) to prevent light pollution and discomfort.
Self-Cleaning Coating
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Process: Usually a photocatalytic coating (often Titanium Dioxide - TiO₂) applied to the external glass surface.
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Function:
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Photocatalytic Effect: TiO₂ reacts with UV light to break down organic dirt (bird droppings, dust, pollen).
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Hydrophilic Effect: Makes water sheet off evenly, carrying away loosened dirt particles.
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This minimizes soiling losses and reduces maintenance frequency, preserving optimal performance.
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To get an accurate quotation, please provide (if available):
- Product dimensions & glass thickness
- Application / usage
- Edge grinding type
- Surface treatment (coating - AG/AR/AF/AM or overlay, printing, etc.)
- Packaging requirements
- Quantity or annual usage
- Required delivery time
- Drilling or special hole requirements
- Drawings or photos
If you don't have all the details yet: just provide the information you have. Our team can discuss your requirements and help you determine specifications or suggest suitable options.
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1) Are you a trading company or manufacturer?
1. Leading glass deep processing factory
2. 13 years of experience
3. OEM/ODM expertise -
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2) How to order?
1. Your detailed requirements: drawings/quantity/or your special requirements.
2. Let's get to know each other better: We can provide your requirements.
3. Email us your formal order, payment.
4. We will incorporate the order into our mass production plan and produce according to the approved sample.
5. Packing & shipping -
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3) Do you provide samples for testing?
We can provide free samples, but the shipping cost will be borne by the customer.
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4) What is your minimum order quantity?
A: 200 pieces.
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5) How long does a sample order take? How about a bulk order?
Sample order: Usually within a week.
Bulk order: Usually takes 15~20 days depending on quantity and design. -
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6) What packaging do the products use?
Plastic wrap + pearl cotton + kraft paper + cartoon box + wooden crate.
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7) How do you ship the goods, and how long does it take to arrive?
We usually ship by sea / air freight/ International Express, and the arrival time depends on the distance.
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8) What are your payment terms?
A: T/T 100% in advance, or other payment methods.
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9) Do you provide OEM/ODM services?
Yes, we can customize.
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10) Do your products have certificates?
Yes, we have ISO9001/REACH/RoSH/GS/JIS Z certifications.