2016年9月23日
Many interested visitors at Umicore Electroplating´s booth at the Jewellery & Gem Fair in Hong Kong
Umicore Electroplating is very satisfied with the visitor response during the "Jewellery & Gem Fair" in Hong Kong from September 13 to 17. A lot of guests informed themselves, among others, about RHODUNA® 470 Black. The new black rhodium electrolyte produces deep black coatings. An L-value of less than 40 in the CIEL*a*b* colour space is...