| 摘要 |
Disclosed therein is an insulator, which includes an inner sheath formed in such a fashion that a binder, is soaked to a glass fiber mat having a multiple layer winding, the insulator comprising: a first reinforced layer accommodating the outer surface of the inner sheath, the first reinforced layer being made of one of flame-resistant polyurethane resin, in which polyol having flame retardant and isocyanate are mixed together, and melamine resin; and a first cover layer for accommodating the outer surface of the first reinforced layer. |
