... sealer1. Applicaiton and Advantage1)HN-63D is an inorganic sealer which is solvent, transparent silicate.2)The color of ... is obviously improved. 2.Bath Composition and Working Conditions Sealer HN -63D 20~50ml/LDiluting agent purified waterTemperature 40~ ... plating to keep the plating layer..Additives composition: HN-63D sealer Package: 25kg/plastic barrelStorage: cool,dry,ventilated,and hermetically ...