tungsten carbide sealing ring 1)high quality--high wear and corrosion ... )advance equipment Wolftam Carbide Sealing Ring Application of Sealing Ring:Tungsten carbide rings has the characteristics of abrasive,corrosion resistance and ... , 100Hours22.7531.681.7437%Hydrochiloric ACID, 40°c, 144Hours19126442.2 tungsten carbide sealing ring of mechanical sleeve and seal