<p>100% PTFE (fibers, fillers and particles). White color. Excellent travel. High fiber concentration for good bridging but flows easily. Excellent resistance to most solvents and acids (not for use on oxidizing chemicals). Shelf life is 2 years in closed containers. </p><h2>Applications</h2><p>Packing and sealant for valves, flanges, and enclosures.</p>