... lasting brightener plating intermediate Brightener and leveling BOZ cas no. 110-65-6 1,4-Butynediol nickel brightener intermediateBOZ nickel lasting ... -5, OCT-15..Alkaline Zinc PlatingWT. BPC 48, DPE,IMZE,JC-9, IMC,H1,HETM... Copper Plating ChemicalsAlkaline Copper plating (Brightener ... Chromic Sulfate, Chromiun Nitrate.... BOZ 1,4-Butynediol cas no. 110-65-6