SPS (Bis(3-sodiosulfopropyl) persulfide)/ CAS No.27206-35-5
White or light yellow powder
1、It is used as a brightener for acid copper plating and can obtain decorative and functional coatings.
2、It can be used in combination with typical copper plating formulations such as nonionic surfactants, polyamines and other hydrogen sulfide compounds.
3、It can also be used with dyes. If DPS and EXP2887 are used together, better results will be obtained.