EMS, Owners and inventors of SynTech. Powered by SynTech, the world's only synthetic acid, EMS products offer the full strength of sulfuric, hydrochloric, hydrofluoric and other mineral acids without the fumes, corrosion or harmful effects to personnel, equipment or the environment. EMS products safely replace the harsh acids, solvents, and caustics used in many industries. Our accomplishments now number well over 100 products including the world's only original equipment manufacturer (OEM) approved vehicle washes and cleaners.