High Voltage Bushings

Heat/Bake Class F HVB High-viscosity, single-component, elevated temperature cure sealant designed to seal the gap on high voltage bushings between the flange and the porcelain insulator. 3407

Room Temp Class B HVB Removable polyester putty for smoothing connections and hard edges prior to insulation taping of high voltage connections and within terminal bushing boxes in water-cooled generators. 6203

Room Temp Class B HVB Pourable, glass-reinforced, used in bonding porcelain to metal flange around stand-off insulators. Exhibits excellent mechanical strength and thermal cycling characteristics. 6100 Room Temp Class F HVB Pourable, glass-reinforced, used in

Room Temp Class B HVB Liquid penetrant and sealant for cracks between flange and ceramic on HVB. Used with 6931 to fill and seal cracks. 6930 Room Temp Class B HVB Thixotropic sealant to fill

N/A Class H HVB Silicone fluid used to for high voltage bushing (HVB) repair. Used commonly with Astro 6935 ‘Magic Dust kit’ to repair and seal hydrogen leaks 3167 N/A Class H HVB “Magic Dust