Ultra Clear Float Solar Glass
Thickness: 3.2mm, 4.0mm
Applications: Cover glass for PV modules
Cover glass for solar thermal collectors / solar water heaters
Front glass for thin film solar panel
Front glass for photovoltaic glass-glass modules
Substrate for solar mirrors
BIPV modules
GLASS DESCRIPTION
●MIGO Ultra Clear Float Solar Glass is a kind of extra clear low iron float glass with light transmission higher than 91.5%. Its high performance stability and good processability make it one of the best choices for photovoltaic modules, solar thermal collectors and solar mirrors.
●MIGO Ultra Clear Float Solar Glass offers superior solar energy transmittance and is stable under solar radiation. It also survives harsh environmental conditions and protects the sensitive components of solar modules from water and humidity ingress.
●MIGO Ultra Clear Float Solar Glass is fully tempered as per EN12150. Meanwhile, anti-reflective coating can be deposited on one side of glass to increase light transmittance by 2%.
MAIN CHARACTERISTICS
Light Transmittance |
3.2mm (1/8”): 91.6%; 4.0mm ( 5/32”): 91.5% |
Solar Transmittance |
3.2mm (1/8”): 91.1%; 4.0mm ( 5/32”):91% |
Iron Content (Fe₂O₃) |
≤120ppm |
Specific weight (kg/m²) |
3.2mm (1/8”): 8 ; 4.0mm ( 5/32”): 10 |
Thickness tolerance |
±0.2mm |
Dimension tolerance |
±1.0mm |
Diagonal difference |
≤0.1-0.2% |
Overall Bow/warp |
﹤0.2% |
Local warp |
≤ 0.3mm / 300mm |
Fragmentation Test |
≥ 40 particles in 25cm² EN12150-1 |
Certification |
EN12150, EN12600, CCC, SGS, SPF |
MECHANICAL CHARACTERISTICS
Mechanical strength (N/mm²) |
≥45 Annealed |
≥120 Tempered, EN12150-1 | |
Young modulus (GPa) |
73.1 |
Poisson ratio |
0.2 |
Knoop Hardness (kgf/mm²) |
470 |
Density (kg/m³) |
2500 |
THERMAL CHARACTERISTICS
Hemispherical emissivity (corrected) |
0.84 Between -18℃and 66℃ |
Expansion coefficient (/℃) |
8.6×10﹣6 Between 25℃and 300℃ |
Specific heat |
0.205 Between 0℃ and 100℃ |
Thermal conductivity (W/m/K) |
1 |
Softening point (℃) |
723 |
Annealing point (℃) |
544 |
Strain point (℃) |
504 |
Solar Transmittance Trend Graph of 3.2mm Low Iron Float Glass
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http://www.migoglass.com/