On the one hand, the progress of science and technology brings convenience to our life and production, but at the same time, it also brings us some adverse effects. Radiation poses a serious threat to our health. With the deepening of people's understanding of radiation, more and more attention has been paid to radiation protection, and various radiation protection materials have emerged as the times require.
In the past, the protective materials for radiation protective clothing were mainly made of fine lead fibers for high radiation dose and filling layers for low radiation dose, such as lead powder, rubber and plastics.
Lead filament breaks due to repeated bending, resulting in poor shielding. In addition, filling materials made of lead powder, rubber and plastics must be very thick in order to achieve good shielding effect, resulting in poor flexibility.
At present, lead glass is mainly divided into two categories, one is inorganic lead glass which is widely used in our country, the other is organic lead glass. This kind of lead glass has higher impact resistance than inorganic lead glass, but not alkali-resistant and alcohol-resistant inorganic lead glass is mainly used for X-ray machine room, CT machine room, ECT machine room and other observation windows and for making lead glasses. In addition to the above applications, glass is also widely used to make various protective screens and other protective devices, such as protective masks, due to its easy processing, light weight, strong impact resistance and good transparency.
Radiation protection materials for building materials refer to various types of concrete, bricks, barite, protective coatings (fillers), forming protective plates or plates used in radiation equipment room, radiation source room, irradiation room, nuclear facilities and other protective materials for infrastructure shielding and protection projects. Strength, energy and properties of protective materials are used to design infrastructure shelter that meets the protection requirements.
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