<p>Extreme Low Temperatures - Pumps Easily | 100% PTFE (fibers, fillers and particles). Lubricant carrier. Grayish color. Great Travel. Customers feedback reports use to-240ºF (-151ºC). 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>