Plasticky

Mandarin sounds like it has better fluidity than English, which sounds more plasticky.

Source: tatoeba (10526861)

She had awoken two hours later in the cabbagey-plasticky fug of her tent feeling deadly certain that she had failed somehow, that he had been expecting something to happen between them, and now it wouldn't happen—or couldn't happen—because she was no longer on her own.

Source: wiktionary