ねつ可塑 かそ せい樹脂 じゅしでしょう
netsuka soseijushideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 熱可塑性樹脂

1. Probably thermoplastic resin.

Polite
Presumptive
Conjecture
Chemistry