KW302是日本 丽光 REIKO最新研发的三层PET结构环保(不含氟树脂)的太阳能电池背板(SOLARCELLBACKSHEET).结构:(电池模组面)白色PET(125mic)/贴合胶/镀硅SiOX/PET(12mic)/PET(125mic)主要参数如下:厚度: 262MIC(0.262MM) ,JISC2318水气透过率:0.16g/m2.day, JISK712940degreeC90%氧气透过率:0.5cc/m2.day,JISK712623degreeC75%耐电压: 1140V, IEC60664-1热收缩率: 0.75%(MD)/0.31%(TD),JISC2318150degreeCx30min