主要性能                    
项目            单位    环氧玻璃布层压板    
垂直层向弯曲强度　  ≥              Mpa    340    
                    
平行层向冲击强度                KJ/m2      33    
                    
垂直层向电气强度                                    MV/m    14.2    
（90±2℃油中）  ≥                    
平行层向击穿电压                  KV    35    
（90±2℃油中）≥                    
相对介电常数  ≤              一    5.5    
                    
介质损耗因数  ≤                一    0.04    
                    
浸水后绝缘电阻  ≥                Ω    5×108    
                    
吸水性  1mm  ≤                mg    18    
                    
  颜色                    一    /黄色/白色/绿色/黑色/    
                    
层压板的标称面积:1020*1220        1020*1020      960*1220        600*1000    500*600