Benefits of Frangible Bullets and Radiation shielding materials Frangible bullets are sure to drop and drift differently when compared to non-frangibles, but don’t let that stop you. There’s nothing that a little bit of practice can’t correct. But, Radiation shielding materials are Humans make use of man-made radiation in nuclear power plants, cancer treatments and x-ray devices, and have traditionally depended on radiation shielding materials such as lead aprons to protect them from radiation exposure.