The result shows that UP-SMC samples with no anti-tracking modification have some part of ablation and charring while the modified sample are with the low electric rot.

• 结果发现未改性不饱和聚酯片状模塑料出现不同程度的烧蚀碳化,而改性后的模塑料电腐蚀痕迹明显减弱,其耐漏电起痕性能明显提高。