建筑贴膜产品隔热膜防爆膜的层（PLY）

图为：建筑贴膜产品隔热膜防爆膜的层结构

建筑贴膜产品隔热膜防爆膜的层（PLY）

PLY:Ply is used to display the number of separate layers of polyester tilm that are used in the manufacturing process to make a particular window film product Example: A 1-ply product would consist of one single layer of polyester film where a 3-ply product woule be made with three separate layers of various types of polyestre film.
 

层：层是指窗膜在生产过程中，用来表示聚酯薄膜层次数量的一个词。例如：一个1层的产品将构成单一层次的聚酯薄膜产品，3层将由三个不同层次的聚酯薄膜构成的产品。