絶縁 ぜつえん塗料 とりょうではありませんでした
zetsuentoryōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 絶縁塗料

1. Was not insulating paint.; Was not an insulating material.

Past/Perfective
Negative
Polite
Formal Register