Sunmax-Float Glass

EMPOWERING SOLAR EFF IC IENCYLOW IRON GLASSAGC Solar has a long history as a key player in the solar glass business. As part of the world leader in glass production, it benefits from the latest glass technologies to make renewable energy a success. It offers glass solutions for photovoltaic modules, thermal collectors and concentrating solar mirrors. It aims for the highest production standards for increased performance and works through a worldwide network.SUNMAX™ is an extra clear float glass especially optimized for solar applications. Combined with the excellent durability of glass, SUNMAX™ is the product of choice for photovoltaic modules, thermal collectors and solar mirrors.SUNMAX™ conforms to EN572 and can be delivered fully tempered as per EN12150. PRODUCT DESCRIPTION Type Extra clear float glass Applications Cover glass for photovoltaic modules (crystalline, CIGS) Cover glass for thermal collector Front glass for thin film Si and CdTe Substrate for solar mirrors SUNMAX™EXTRA CLEAR FLOAT GLASS FOR SOLAR APPLICATIONS Transmission curveMeasured on 3.2mm glass samplesTransmission (%)Wavelength (nm)7579838791950 500 1000 1500 2000 2500Clear FloatAstralite05/2011FOR MORE INFORMATIONWorldwide: sales@agc-solar.com Europe: sales.europe@eu.agc-solar.comNorth America: sales.northamerica@na.agc-solar.com Japan: sales.japan@jp.agc-solar.comChina: sales.china@jp.agc-solar.comAsia: sales.asia@jp.agc-solar.comIndia: ssheikh@aisglass.comAGC is commited to environmental stewardship through the use of recyclable materials and sustainable process in the manufacturing and distribution of our state-of-the-art, energy efficient flat glass products.In North America, the product performs to the appropriate ASTM standards.*The information contained in this datasheet is intended to assist you in designing with AGC materials. It is not intended to and does not create any warranties, express or implied, including any warranty of merchantability or fitness for a particular purpose. The user is responsible for determining the suitability of AGC materials for each applications.www.agc-solar.com05/2011MAIN CHARACTERISTICS * Light Transmission (%) 1mm - 1/25”: 91.7 Illuminant D65 at 2° (acc. +/- 0.2%) 3.2mm - 1/8”: 91.6 Illuminant D65 at 2° (acc. +/- 0.2%) 4mm - 5/32”: 91.5 Illuminant D65 at 2° (acc. +/- 0.2%) Energy Transmission (%) 1mm - 1/25”: from 91.6 to 91.7 ISO9050 AM1.5 (acc. +/- 0.2%) 3.2mm - 1/8”: from 90.7 to 90.9 ISO9050 AM1.5 (acc. +/- 0.2%) 4mm - 5/32”: from 90.4 to 90.7 ISO9050 AM1.5 (acc. +/- 0.2%) Certification 3.2mm - 1/8” SPF measurement, labelled U1 4mm - 5/32” SPF measurement, labelled U2Specific weight (kg/m²) 1mm - 1/25”: 2.5 3.2mm - 1/8”: 8 4mm - 5/32”: 10 Processing conditions and dimensions depending on the applications.AGC can help evaluating these values according to other standards and/or to the specificities of the final application. MECHANICAL CHARACTERISTICS * Mechanical strength (MPa) 45 Annealed 70 Toughened 120 Tempered, EN12150 Young modulus (GPa) 70 EN572 Poisson ratio 0.2 EN572 Hardness Moh (scratch hardness) 6 EN572 Knoop (identation hardness) 470 Indenter load 500g Density (kg/m³) 2500 EN572, at 18°C THERMAL CHARACTERISTICS * Hemispherical emissivity 0.84 Between -18°C and 66°CExpansion coefficient (10-6 1/K) 9 EN572, between 20°C and 300°C Specific heat (J/kg/K) 720 EN572 Thermal conductivity (W/m/K) 1 EN572Softening point (°C) 722 Annealing point (°C) 552 Strain point (°C) 500 CHEMICAL COMPOSITION * Silicon dioxide (SiO2, %) 69 to 74 EN572Sodium oxide (NaO, %) 12 to 16 EN572Calcium oxide (CaO, %) 5 to 12 EN572Magnesium oxide (MgO, %) 0 to 6 EN572Aluminum oxide (Al2O3, %) 0 to 3 EN572Trace elements (FeO, etc., %) < 1 © Wagner & Co, Cölbe/ESTIF