楼上回答的没错的 聚烯烃绝缘材料.我给你资料参考下http://www.schneider-electric.cn/sites/china/cn/products-services/electrical-distribution/products-offer/function-presentation.page?p_function_id=5012
是阻燃电缆,采用聚烯烃绝缘材料.
阻燃电缆