B&B 5151-B STRIPPER - VISCOUS LIQUID COMPOUND FOR REMOVING HIGH AND LOW VOC POLYSULFIDE PRIMERS AND SEALANTS FROM METALLIC AIRCRAFT SURFACES. 5 GAL PAIL. 43LBS. DISSOLVES AND STRIPS OLD FUEL TANK SEALANT WHEN RESEALING AIRCRAFT FUEL TANKS. 5151-BB&B 5151-B Stripper | 5gal Polysulfide Paint & Sealan..