Before reading this article, please click on "Follow" to make it easy for you to review a series of high-quality articles from previous issues at any time, and to facilitate discussion and sharing. Thank you very much for your support!Wen|AfangEdit|AfangintroductionPolypropylene (PP), as a thermoplastic material with the characteristics of environmental friendliness, recyclability, and high melting temperature, has become the most potential material to replace existing DC cable insulation...