1,3- PS cas no. 1120-71-4. chemical fine chemical ; surfactants and lithium battery 1,3- ... agentPA, PAP, PME..Brighter and Strong/Lasting leveling agentDEP, PABS, TC-DEP..Stronger Leveling agent PPS, PPS-OH..Auxiliary & Assistant BrightenerALS ... ChemicalsAlkaline Copper plating (Brightener& leveling agent)CB-1, CB-4, CB-5,CB-6...Acid Copper PlatingSPS, PZ-1,PZ ... hot sell for 1,3- PS cas no. 1120-71-4.