Solar Panel Tempered Glass Ultra Clear Low Iron Glass with Light Transmittance of 93.8%

Solar Panel Tempered Glass Ultra Clear Low Iron Glass with Light Transmittance of 93.8%

1. What is Solar Tempered Glass?

  Solar tempered glass is a high-performance safety glass specifically engineered for solar energy applications, produced through a precision heat-treating (tempering) process that drastically enhances its mechanical strength and thermal resilience. Unlike standard glass, it undergoes controlled heating to approximately 620°C followed by rapid quenching, creating a durable material that excels in outdoor and high-stress environments. Widely adopted in solar photovoltaic (PV) panels, solar thermal systems, and building-integrated photovoltaics (BIPV), it delivers exceptional durability, withstanding extreme temperatures, mechanical impacts, and harsh weather conditions—all while maintaining optimal light transmittance to maximize energy conversion efficiency.

2.  Features

- High Strength: Boasts 4–5 times the strength of regular annealed glass, achieved via the tempering process that forms compressive stress on the surface and tensile stress inside. This robust structure enables reliable resistance to hail, wind loads, and accidental impacts, critical for long-term outdoor use.
- Superior Thermal Resistance: Designed to endure extreme temperature fluctuations (e.g., from -40°C to 300°C) without cracking or deforming. Its thermal stability prevents damage caused by sudden heat/cold changes, making it ideal for regions with harsh climates or high-temperature solar systems.
- Enhanced Safety: Breaks into small, blunt, granular pieces (instead of sharp, jagged shards) when shattered, significantly minimizing the risk of injury to maintenance personnel and reducing potential damage to solar cells or surrounding components.
- UV Resistance & Protection: Features inherent UV-blocking properties (or optional UV-stabilized coatings) that shield sensitive solar cells from UV-induced degradation, preserving their performance and extending the lifespan of solar installations—while maintaining optimal sunlight transmission for energy production.
- Exceptional Optical Clarity: Offers high light transmittance (typically >90%, and up to 95% with anti-reflective (AR) coatings), ensuring maximum sunlight penetration to solar cells for efficient energy absorption and conversion. Low-iron variants further reduce light absorption, boosting overall module efficiency.
3. Specification:

4. Applications

- Solar Panels (PV Modules): Serves as the front cover glass for crystalline solar panels

5.Glass Pictures: