SANDDOG
Ring-shaped packing materials used to pack oil and gas pumping equipment, comprised of one or more of the following, fabricated thermoplastic compounds, carbon-filled polytetrafluoroethylene (PTFE), hydrogenated nitrile rubber (HNBR), ultra-high molecular polyethylene (UHMWPE)
Registered · April 30, 2015 · 86615564 ·
