Flammable thin film construction metal material with built-in material attached and attachment structure for attaching it

摘要

The present invention relates to a flammable flame-retardant material having a metal material, wherein the metal material comprises: a metal material; and an untreated flame-retardant thin film sheet formed in an upper portion of the metal material. Moreover, an adhesive is formed between the metal material and the untreated flame-retardant thin film sheet.