... plating intermediate Brightener and leveling BOZ cas no. 110-65-6 1,4-Butynediol nickel brightener intermediateBOZ nickel lasting brightener plating intermediateBrightener ... Copper plating (Brightener& leveling agent)CB-1, CB-4, CB-5,CB-6...Acid Copper PlatingSPS, PZ-1,PZ-2, PZ-3, PAC ... , BY-1, PAE-9, Polyether-8, Water-soluble ...