Qingdao Migo Glass Co.,Ltd is one of the most professional 3.2mm tempered ultra clear float solar glass manufacturers and suppliers in China. If you want to wholesale high quality glass products made in China, you can contact us. We have a professional factory at your service, please feel free to buy customized glass products at a reasonable price from us.
High-Transmission Low Iron Glass for PV Modules & Solar Thermal Collectors
3.2mm tempered ultra clear float solar glass is a premium low-iron glass manufactured using the float process and then fully tempered for strength. It is widely used as the front cover glass of photovoltaic (PV) modules and cover plate for solar thermal collectors. Compared to standard float glass, ultra clear solar glass significantly improves light transmission due to reduced iron content, achieving over 91.5% solar transmittance.
Core Features & Benefits
1) Smooth and flat surface and good vision
2) Excellent optical performance
3) Stable chemical properties
4) Resistant to acid,alkaline and corrosion.
5) Flexible size specifications,minimizing cutting loss
6) Substrata for each level of glass processing
7) Applications: architecture,furniture,mirrors
Technical Specifications Ultra Clear / Low Iron Float Solar Glass
| Parameter | Specification |
|---|---|
| Glass Type | Ultra Clear or Low Iron Float Glass |
| Thickness | 3.2 mm |
| Processing | Fully Tempered (EN 12150 compliant) |
| Light Transmission | ≥ 91.5% |
| Iron Content | Low (Ultra Clear) |
| Surface Type | Smooth / Textured (Mistlite optional) |
| Coating | Optional Anti-Reflective (Single / Double AR) |
| Thermal Shock Resistance | ≥ 200°C |
| Mechanical Strength | High (Impact & wind load resistant) |
| Certifications | CE, SGS, SPF |
| Applications | PV modules, solar thermal collectors |
Why 3.2mm Thickness is Industry Standard
Optimized balance between:
- Mechanical strength
- Light transmission
- Weight & cost
Widely adopted across global PV module manufacturing
In solar systems, glass is not just a protective layer-it directly impacts power output.
Choosing high-quality 3.2mm tempered ultra clear float solar glass means:
- Higher energy generation
- Better long-term reliability
- Stronger competitiveness in solar projects
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