導電 どうでん せい樹脂 じゅしではありませんでした
dō denseijushidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 導電性樹脂

1. Was not conductive resin.; Was not a conductive resin.

Past/Perfective
Negative
Polite
Formal Register