11 Years Manufacturer Carbon Fiber Packing Impregnated with PTFE to Norway Factories

Diagonal braided to form a dense but pliable packing, each carbon fiber is pre-impregnated with PTFE, and re-impregnated during square braided. It is premium service packing for media of weak chemical corrosion and grains of particles exit.

Technical Data Sheet

 Application Area

Resist all the strong corrosive media and media with a few crystal particles with the exception of the strong oxidizing agent polonium, chiefly used for the sealing of the centrifugal pump, column pump, mixer and valves.

https://gallery.usgs.gov/videos/698

For questions about this project, please contact the speaker, John Crusius at jcrusius@usgs.gov, (206) 543-6978. The northern Gulf of Alaska (GoA) maintains a productive ecosystem, with commercially important fisheries. Virtually all of the many glaciers that line the northern GoA coast are retreating, yet the impacts on the marine ecosystem are poorly understood. This project carried out a set of frequent field observations in a network of tributaries of the Copper River, the single largest source of fresh water to the GoA (and a watershed with substantial glacial coverage). We also carried out a set of research cruises on the continental shelf and slope to the south. Iron is a nutrient that limits biological productivity in parts of the GoA, while nitrate is limiting in nearshore areas.