Clear Float Solar Glass

  • Description
Product Detail

Clear Float Solar Glass 

Thickness:  2.8mm, 3.2mm, 4.0mm

Applications:Cover glass for solar thermal collector

              Glass backsheet for glass-glass photovoltaic modules

              Greenhouse roof and wall


GLASS DESCRIPTION

?MIGO Clear Float Solar Glass is produced by processing high quality clear float glass in continuous tempering furnace. After tempering treatment, it is 4-5 times stronger than ordinary annealed float glass and, if broken, disintegrates into small fragments with dulled edges that are unlikely to cause serious injury. 

?Light transmittance is a bit lower than ultra clear low iron glass, but cost is also lower. It is suitable for area having sufficient sun light.


MAIN CHARACTERISTICS

Light Transmittance

3.2mm (1/8”): 90.17%;  4.0mm ( 5/32”): 89.82%

Solar Transmittance  

3.2mm (1/8”): 84.67%;  4.0mm ( 5/32”): 83.04%

Certification   

EN12150, EN12600, CCC, SGS, SPF

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


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

If you want to buy discount and quality clear float solar glass made in China, you can contact Migo Glass which is one of the best manufacturers and suppliers of clear float solar glass in China. We have a professional factory at your service, please feel free to wholesale cheap and customized glass products in stock at a reasonable price with us.

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Qingdao Migo Glass Co.,Ltd

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