HyPro 280 COF is a secondary passivation for use over all of Pavco’s trivalent black passivates. HyPro 280 COF is cobalt free and will extend the corrosion protection of a trivalent passivate up to 100...

크로메이트제 · 3가크롬 · PAVCO · · 영어 4 쪽 참조 0회