<p>Heat curing, Sealant / refractory hybrid, Dense paste (gallons) or putty (extruded), Brown color, Heavy fiber concentration. Designed for applications where conventional sealants would become brittle and powder, because of extreme heat and temperature, this compound is un-surpassed. Shelf-life is 6 months in closed containers. Refrigerated storage recommended (extruded version only). </p><p>CJ-650 is a thinner version of CJ-429, great for pumping from 5 Gallon Pails.</p><h2>Applications</h2><p>Flanges, Enclosures, Catalyst, Flue gas, Hydrogen, Super-heated steam, Extreme heat, Hot Air.</p>