Product name	Sodium Isothiuronium Propyl Sulfonate (UPS)
Alias	3-Isothioureapropanesulfonic acid inner salt
CAS NO.	21668-81-5

 

Applications

 

UPS is used in acidic copper plating to obtain a bright base plating layer.

In the lithium-ion battery copper foil industry, it can increase the tensile strength of the plating layer when combine with SPS.