Carbonized fiber packing is a braided packing made of carbonized poly acrylonitrile fiber and finished with PTFE dispersion and lubricant. It covers wide range of application, for example, it can seal water, brine, factory wastes alt solutions, mineral oil etc. for centrifugal pumps, agitators, mixers, sterntubes etc. What's more, it is relatively economic among non-asbestos packing.