Print | Products > Aerospace Sealants > Industrial Sealants and Adhesives > Fuel Resistant Industrial Sealants > PRC Rapid Seal® 748 Fuel Resistant Industrial Sealants PRC Rapid Seal® 748 PRC RAPID SEAL® 748 is an adhesion promoter used to enhance the coupling characteristics of polysulfide compounds to a wide variety of substrates. PRC Rapid Seal 748 is a one-part compound suitable for application by brush or clean, lint-free gauze. Technical Data Sheet Aerospace Adhesives Aerospace Sealants Adhesion Promoters Application Guides Corrosion Inhibitive Sealants Customized Sealant Solutions (CSS) Electrical Potting / Molding Electrically Conductive Fast Cure / Flight Line Repair Fuel Tank / High Performance Options Fuel Tank / Proven Standards High Temperature and Firewall Specialty Products Windshield and Canopy Industrial Sealants and Adhesives Aerospace Transparencies Transparent Armor and Specialty Products Aerospace Coatings, Pretreatments, Cleaners Chemical Management Engineered Materials Semco® Packaging Aerospace Academy Aerospace Sealants - Preformed PPG Livery Lab℠ Find Products Find Products Help Terms & Conditions