After Russia pledged to scale back its military operations around Kyiv and in northern Ukraine, the prices of most industrial metals fell, led by aluminum, showing people's concerns for supply shortage eased.At an earlier time, the West imposed sweep…
Cement foaming agent refers two kinds: plant cement foaming agent and polymer foaming agent.…
1-propanaminium (n,) n-trimethyl-3- [(1–oxhexadecyl” Amino] Chlorideshi, new quaternary salt conditioning agent. You can mix it with anionic surfactant because of its presence of the amide bonds. About 1-Propanaminium,N,N,N-trimethyl-3-[(1-oxohexad…