ポリ塩化 えんかビニリデンではありませんでした
porienkabiniridendewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ポリ塩化ビニリデン

1. Was not polyvinylidene chloride.; Was not PVDF.

Past/Perfective
Negative
Polite
Formal Register