REPAIRING METHOD OF TRANSPARENT PLATE

摘要

PROBLEM TO BE SOLVED: To provide a repairing method of a transparent plate that can restore transparency of an existing deteriorated transparent plate and suppress its deterioration for a long time after repairing, by forming a film other than a fluorine-based film.SOLUTION: The repairing method of a transparent plate includes a step of substrate treatment to coat the transparent plate with a substrate treating agent containing alkylalkoxysilane, and a step of surface treatment to coat the transparent plate subjected to the substrate treatment in the step of substrate treatment with a surface treatment agent containing a straight silicone.