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SPS Bis-(sodium sulfopropyl)-disulfide
Molecular formula C6H12O6S4Na2
Molecular weight 354.4
CAS NO. 27206-35-5
Appearance White or yellowish powder
Concentration in baths 0.01-0.02g/L
Consumption 0.5-0.8g/KAH
Molecular structure
SPS contains increased amount of SP. Replacing SP with SPS to be the acid copper plating brightener agent provides ornamental and functional plating layers. SPS could be combined with nonionic surface-active agent, amine compounds and other sulfenyl compounds which exist in typical copper plating formula. Also, it could be combined with dyes to better plating effects.
Package and Storage
Package 250g plastic bottle, 1000g plastic sealing bag, 10kg/25kg carton
Storage Non-dangerous articles, be stored at cool and dry place