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Copper plating intermediate
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Chemical nature           
Chemical name: 3-(Benzothiazol-2-ylthio)-1-propanesulfonic acid sodium salt
Molecular formula: C9H10NNaO3S3
Molecular weight: 311.4
CAS No.: 49625-94-7

Appearance: White to yellowish powder
Content (%): ≥90.0(UV)
PH: 2.0-5.0 (8% water solution)
Solubility(20℃): 8% water solution is transparent and clear

ZPS is used as brightener in copper plating bath at a concentration of 10-50mg/L, it can be used together with polyether and wetting agent, or used together with other sulfurated brightener, also can be used in electroless plating of precious metal.

Packing and Storage 
25kg/Plastic drum, store in cool and dry place.

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