Main categories: Propylene Glycol (USP Grade) , Melamine, Polyethylene Glycol (PEG 300 / 400 / 600) , Glutaraldehyde 50% , Diethanolamine (DEA) , Triethanolamine (TEA) , Diethylene Triamine (DETA) , Dipropylene Glycol (DPG) , Etc