フッ ふっかポリイミドじゃありませんでした
fukka poriimidojārimasendeshita

Noun
Desu Copula

The polite, past negative form of フッ化ポリイミド

1. Was not polyimide fluoride.; Wasn't polyimide fluoride.

Past/Perfective
Negative
Polite
Terminal Form
Chemistry