ＰＰ加工ぴーぴーかこう

noun

PP lamination; polypropylene lamination

Technical term in printing; refers to laminating with polypropylene film for protection or finish.

• このポスターはＰＰ加か工こうがしてあって、水みずに強つよい。

  This poster has PP lamination, so it's water-resistant.