COVERING MATERIAL FOR POWER GENERATING SYSTEM USING SOLAR ENERGY AND POWER GENERATING SYSTEM USING SOLAR ENERGY FORMED BY SPREADING THE COVERING MATERIAL

摘要

A covering material for a power generating system using solar energy, characterized by comprising a film having a tensile yield strength of 10 N/mm<2> or higher according to JIS K7127, a solar radiation transmissivity of 85% or more according to JIS R3106, and a holding ratio of tensile break strength to initial value 5000 hours after a sunshine carbon arc lamp weather resistance test of 80% or more according to JIS B7753.