What Are The Application And Precautions Of Lead Glass?

Lead Glass is an ideal transparent protective material against X-R rays. It is widely used in radiation diagnosis, treatment facilities, nuclear medicine and industrial radiation protection. Lead glass has high lead content, strong protection ability, and oxygen resistance.
The advantages of chemical, non-toxic, no impurities, and no bubbles; the light transmittance of lead glass is 290%. The density of lead glass is as high as 4.2/g, which is higher than the national standard! So that lead glass has a better protective effect; lead glass observation window The installation must be equipped with a professional lead glass frame to ensure that the radiation does not leak out and the lead glass is safe. The lead glass frame is made of stainless steel or spray-painted finish, and the interior is paved and the lead plate corresponding to the lead equivalent of the lead glass is protected.

The material structure of lead glass is glass containing a large amount of lead oxide in addition to glass formers such as silicon dioxide and boron trioxide.

Used in the manufacture of optical glass, electric vacuum glass, low temperature sealing glass, radiation protection glass, lead crystal glass, flint optical glass, low melting glass, delay line glass, high refraction bead glass and art vessel glass, etc.

The composition formula of lead glass is: RmOn-PbO-SiO2 (B2O3). In the formula, SiO2 (B2O3), that is, silicon oxide (boron oxide), is called a network former and is the basic unit of the glass network structure. RmOn, which stands for metal oxides of alkali, alkaline earth, and rare earth metals, is a network modifier that changes the glass network structure and achieves adjustment characteristics. PbO, or lead oxide, is the characteristic component that gives the glass its fundamental properties. With the increase of PbO content, the glass density, refractive index, dispersion, dielectric constant, X-ray and γ-ray absorption coefficient and other performance index values increase; its hardness, high temperature viscosity, softening temperature, chemical stability and other index values decrease; As a result, the glass forming material becomes longer, the colorant is brighter, the surface gloss is increased, and the knocking sound is crisp.

In recent years, lead glass has been used in more and more places, mainly for the manufacture of optical instruments, art instruments, etc. Lead glass is also known as medical X-ray anti-radiation lead glass plate in the medical field. Lead glass is mainly divided into domestic lead glass and imported lead glass viewing window on door screen.
1. Effect
1. Lead glass can be installed in the screen of airport security check, the observation window of X-ray detection and CT scanning, the lens of goggles, the protective window in the laboratory and the protective window for industrial flaw detection.
2. Lead glass is optically clear and transparent. It is a low optical quality protective glass plate with regular attenuation performance used for protective shielding. Its attenuation performance is 0.22mmpb per millimeter. The scope of application can be installed Observation windows for X-ray inspection and CT scanning, protective windows for goggles, lenses in laboratories, screens for airport security checks and protective windows for industrial flaw detection.
2. Matters needing attention
1. When installing, it is necessary to closely seal the surrounding glass with the wall protective material to prevent radiation from leaking at the junction;
2. Lead glass is a brittle material with a large specific gravity, so be sure to handle it with care when replacing it;
3. The surface of lead glass is more likely to be scratched than ordinary glass, so it must be handled with care;
4. Because it is rich in lead and barium, lead glass is easily polluted by acid and alkali, so it is not easy to install or store in sour gas or humid environment.
The above is the introduction for us by the manufacturer of anti-radiation lead sheet. We should have a deeper understanding of the effect and precautions of lead glass. Especially in the process of use, we must strictly abide by the requirements mentioned in the precautions, so as to ensure the long-term use of lead glass.

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