| 摘要 |
PROBLEM TO BE SOLVED: To provide a detecting method of a mold releasing agent coating film for die casting capable of applying for wide temperature range and capable of visual detection, and a detecting agent for the mold releasing agent coating film for die casting used for the method.SOLUTION: Related to a method of visually detecting a mold releasing agent coating film 2 for die casting formed on a mold inner surface (cavity forming surface), the method includes a step for additionally applying powdery composition to the mold releasing agent coating film for die casting formed on the cavity forming surface of the mold, thereby application to a wide temperature range is possible, and visual detection is possible. |
