In this paper, the structure characteristics and lubricating theory of Teflon is studied, and tribology capability of Teflon is researched on four-ball machine, and the serviceability and development of Teflon used as lubricant additive is discussed.

• 摘要研究了固体润滑剂聚四氟乙烯的结构特征和润滑原理，使用四球摩擦试验机研究了聚四氟乙烯的摩擦学性能，探讨了聚四氟乙烯作为润滑添加剂的应用现状与发展前景。