Tungsten rubber, also known as polymer tungsten, is a newly developed material and is a lead-free radiation shielding material to replace lead radiation shielding material. Polymer tungsten can be made into various shields for radiation protection of medical equipment and medical personnel.
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The shielding performance of tungsten rubber against high-energy rays is better than that of lead and lead alloys. And it can shield high-energy rays to the maximum extent. It is non-toxic and environmentally friendly, so that it will not pollute the environment during production and use. Its density and shielding performance can be adjusted according to the requirements of applications. It also has high flexibility and softness like rubber and silicone.
According to the researchers, tungsten rubber is made of flexible rubber and other high-molecular materials, compounded with metal tungsten powder with the best shielding performance. For example, a researcher has prepared lead-free high-density tungsten rubber radiation shielding material by mixing about 10% of metal tungsten powder in neoprene rubber, which is lighter in weight and has superior radiation shielding effect to lead materials.
