GB/T 29848-2013 is for EVA film for photovoltaic module packaging. It clarifies the classification and labeling method of EVA film, specifies the basic requirements such as Appearance and dimensional deviation. It defines its physical performance, such as tensile strength, fracture elongation, and Optical Properties, such as light transmitance, haze and other indicators. It also proposes key performance standards such as thermal stability and weathering resistance. The standard provides the basis for EVA film production and mass inspection to ensure that it plays a good role in photovoltaic module packaging, and improves the performance and service life of photovoltaic modules.