... : Being widely used in motive and static seal for machine, pipe pump and valve in power industry, ... and diamond industry as well as superior machinery sealing material substituted for rubber or fluoroplastics and asbestos, etc.Technical ... PPM)100~1200Chlorine & Fluorin content (PPM)≤40 Flexible graphite sheet, graphite paper, graphite foil, graphite roll, graphite tape, graphite tape with back adhesive