RESCOBOND 17G isdesigned for use in U-Bends, Y-Sections, overhead lines, and other catalyst transfer lines. It is a chemically-bonded, air-setting, single component gunning mix. This product can be installed by conventional gunning and handpacking methods and bonds to existing refractory. When gunning, predampening is NOT suggested for this gun mix. This product develops a quick set and can be heated shortly after installation. RESCOBOND 17G should NOT be installed by vibration casting methods.