This product is a braided packing made of carbonized poly acrylonitrile fiber and fininshed with PTFE dispersionand 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.