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Product Description The main technique for the production of solar cell sealed glass is Rolling Process. The patterned roller is specially made for solar glass, which the specail pyramid pattern is pressed on the downward surface and the special matt pattern is pressed on the upware surface on the ultra white glass. The special patterns are designed to reduce the direction reflectance and to increase the internal reflection effect that the solar energy can be absorbed effectively. The maximum transmittance of the solar lights and the efficiency of electricity generation are also raised. With the outstanding characteristics of the high solar light transmittance, the low reflectance, the low iron, the high mechanical strength and the high flatness, it is one of the indispensable important parts of solar cell. Low iron solar glass are designed and produced strictly, with less iron content, excellent solar transmittance, superior physical strength and better flatness, perfectly suitable for your pv module and heat collectors. Product Features: Visible light transmittance of the tempered glass: more than *1.6 ≥*3%（2mmå’Œ2.5mm） ≥*1.6%（3.2mm） ≥*1% (4mm） annual capacity: 5million ***** Thickness: **6mm (3.2mm&4mm) Dimension: Regular size: ***5***7 ***4***2 ***0****0 ***0****0 Max size: ***0****0mm ***0mmx***0 (tempered) Solar transmittance: (3.2mm polished samples ISO***0/***3)>=*1.7% IRON CONTENT: <=**0ppm Fe2O3 Poisson's ration: 0.2 density: 2.5g/cc Young's Modulus: *3GPA Tensile strength: *0MPA Resistance curving strength: *0mpa Expansion coefficient: 8.5x****6/degree C Softening point: **7 degree C Annealing point: **0 degree C Strain point: **0 degree C Product Specification/Models Pattern: mistlite, prismatic, matt/matt or semi sand etc. Max. width: ***0mm. Thickness: 2.**6.0mm, standard thickess 3.2mm. ***** Please don't hesitate to contact us for more detailed information!