金吾财讯 | 中国银河证券发研报指，国内散热材料集中在TIM、陶瓷基板、液冷材料，国产替代空间大。散热材料产业链呈上游原材料、中游器件制造、下游应用三部分，整体呈现上游高壁垒、中游高价值、下游强需求牵引的格局。上游原材料主要包括高纯陶瓷粉体（AlN/BN/SiC/金刚石）、碳基材料（石墨烯/CNT/石墨）、金属原料（铜/铝/铜合金/钽）、液冷工质（氟化液/合成酯/水基液）等。散热材料中游器件制造主要有热界面材料(TIM)、散热结构件、液冷核心部件等。中游价值量最大、竞争激烈。下游主要是终端应用。散热材料第一梯队主要集中在欧美和日本，比如欧美的3M、汉高，日本的信越化学、京瓷等。第二梯队散热材料企业主要有中石科技、飞荣达、中瓷电子、三环集团、天岳先进等，主要业务集中在热界面材料（TIM）、陶瓷基板、液冷材料三个赛道，国产替代空间大。
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