こう密度 みつどポリエチレンではありません
kō mitsudoporiechirendewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 高密度ポリエチレン

1. Is not high-density polyethylene.; It is not high-density polyethylene.

Negative
Polite
Formal Register
Chemistry