Hi-quality Carbonized Fiber Impregnated Graphite PTFE Packing

The carbonzed fiber yarn is treatded with graphite particles,and then is braided to form packing,its surface is coated with an high-temperature-proof lubricant,it is able to bear high temperature and pressure,and helps prevent abrasion and volume loss to the packing rings,it can also help to minimize the effects of electrolytic pitting of the valve stem.