Lead Sheet : APPLICATIONS: Radiation Shielding –laboratories, Hospitals, Dental Offices and Veterinary Clinics, Construction Roofing, Flashing and Waterproofing Corrosion Protection Acid Storage and Handling Autoclaves Precipitators Movable Lead Screens Sound Barriers and Sound Proofing Nuclear Energy Shielding Tank Lining Vibration Absorbers OurSheet Leadhas a consistent and high density manufactured from pure lead conforming to ASTM B-29, B-749 and Federal QQ-L-201F, QQ-L-171E. We use only the purest lead available 99.94% purity.