... , 3,Heat absorption, 4,Competitive price, 5,ISO9001-2004. solar glass1.DefinitionSolar glass is also called photovoltaic glass which mainly ... GPa Tensile Strength 42 MPa Hemispherical Emissivity 0.84 Expansion Coefficient 9.03x10-6/°C Softening Point 720 °C Annealing Point ... and it completely pass through the general standard.A.our solar galss has excellent shock resistance.it can avoid damage ...