ポリ塩化 えんかビニルではありませんでした
porienkabinirudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of ポリ塩化ビニル

1. Was not polyvinyl chloride.; Was not PVC.

Past/Perfective
Negative
Polite
Formal Register
Chemistry