Ultra Clear Float Solar Glass

Product Detail

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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