Bis-(sodium sulfopropyl)-disulfide 3,3’-Dithiobis-1-propanesulfonic acid, disodium salt SPS
SPS is used in copper plating in different industries - such as automotive parts and semiconductors. Copper baths have different goals including changing appearance, enhancing electrical conductivity or preventing corrosion.
Hopax is a manufacturer and supplier of SPS (CAS 27206-35-5), a brightening agent used for copper electroplating, especially acid copper baths. Copper layers deposited with SPS are very bright, levelled and ductile.
A combination of SPS and other additives (DPS and ZPS, also manufactured by Hopax) can offer excellent results in functional plating, such as plating on PCB.
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