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Radiation Shielding Glass, High Lead Content, Excellent Visual Clarity

Three pieces of radiation shielding glass are vertically placed on the desk.
Radiation shielding glass provides optimum shielding against gamma rays and x-rays.

Radiation Shielding Glass, also known as X-ray glass or lead glass, is leaded glass that provides shielding protection by absorbing the energy of radiation. Its high lead and barium content, and wide thickness range, provide optimum shielding against radiation. The glass can be optically clear or have a slight yellow. Typically, the thicker the glass, the higher the level of radiation shielding. It is primarily used in the medical industry to provide protection against gamma rays and x-rays.

  • A variety of sizes and thickness are available
  • Many protective shielding levels are available
  • Compliance with the Quality Standard ISO 9001, the environmental Standard ISO 14001 and Health & Safety Standard OHSAS 18001
  • Special discount for large orders and multiple promotion campaigns

Shielding Characteristics

Thickness Minimum Lead Equivalence (mm) for Stated X-Ray Tube Voltage Max. Plate Mass
mm inches 80 kV 100 kV 110 kV 150 kV 200 kV 250 kV 300 kV kg/m2 lbs/ft3
12.0–14.0 0.472–0.551 4.0 3.8 4.0 3.5 3.0 3.1 3.2 67.2 13.8
14.0–16.0 0.551–0.630 4.7 4.5 4.6 4.1 3.5 3.6 3.7 76.8 15.7
16.0–18.0 0.630–0.709 5.3 5.1 5.3 4.7 4.0 4.1 4.3 86.4 17.7
18.0–20.0 0.709–0.787 6.0 5.7 5.9 5.2 4.4 4.6 4.8 96.0 19.7
Technical Notes:
  • Data provided by the Public Health England (PHE).
  • Attenuation measured using the narrow beam method, in accordance with IEC 61331:2014.
  • The lead equivalent in mm Pb, defines the protective effect of the glass compared to a lead wall. Example: A glass with 2.0 mm Pb offers the same protective effect as a 2 mm thick lead wall.
Physical Properties Mechanical Properties
Optical Properties Density (g/cm3) 4.8
Refractive Index nd 1.76 Knoop Hardness (kg/mm2) 409
Transmission % @ 55 nm through 5 mm path ≥ 85.0 Young's Modulus (GPa) 62.6
Chemical Properties Torsion Modulus (GPa) 24.8
Lead (Pb) 52% Poisson's Ratio 0.26
Barium (Ba) 17% Coefficient of Thermal Expansion (×10-7/°C) 78.8

Specifications

Item Length × Width (mm) Thickness (mm)
RSG-1 600 × 400 12 15
RSG-2 800 × 600 12 15 18 20
RSG-3 900 × 600 12 15 18 20
RSG-4 1000 × 800 12 15 18 20
RSG-5 1200 × 800 12 15 18 20
RSG-6 1500 × 900 12 15 18 20
RSG-7 1500 × 1000 15 20
RSG-8 1600 × 900 12 15 18 20
RSG-9 1600 × 1000 12 15 18 20
RSG-10 1800 × 1000 12 15 18 20
RSG-11 2000 × 1000 15 18
RSG-12 2000 × 1200 15 20
RSG-13 2200 × 1200 15 18–20
RSG-14 2400 × 1200 15 18–20
RSG-15 2600 × 1200 18–20
RSG-16 2800 × 1200 18–20
RSG-17 3000 × 1000 18–20
RSG-18 3000 × 1200 18–20

Advantages

  • Shield against x-rays from equipment operating in the 80 to 300 kV range.
  • High barium and lead content providing optimum protection with excellent visual clarity
  • Provides high UV stability and is designed to offer many years of service if properly maintained
  • With the maximum size of up to 3000 × 1200 mm, allowing customers to design viewing windows with a wider field of vision.
  • All cut edges are polished and finished with safety chamfers.

Application

Radiation shielding glass is commonly used to protect professionals and patients in a wide range of healthcare, dentistry, veterinary and industrial environments. Typically, it can be divided into three major categories as shown below:

  • Observation viewing windows for x-ray rooms, radiation therapy rooms, angiography rooms, CT scan rooms, etc.
  • Screens for medical diagnostics.
  • Protection windows or glove boxes in laboratories.
The angiography room is equipped with radiation shielding glass as the viewing window

Radiation shielding glass for angiography room

The CT room is equipped with radiation shielding glass as the viewing window.

Radiation shielding glass for CT room

The room is equipped with radiation shielding glass as the protective windows.

Radiation shielding glass for x-ray room

The medical imaging laboratory is equipped with radiation shielding glass as protection windows.

Radiation shielding glass for medical imaging laboratory

Care & Cleaning

As high lead content glass is more susceptible to staining, the following precautions need to be taken care for installation and cleaning.

  • Do not stick anything on the surface of the radiation shielding glass during the installation. When masking tape is used in caulking, remove it immediately after caulking and wipe off any tape traces with alcohol.
  • Do not use a wet cloth or water to clean the glass and immediately wipe off water in case of the glass becomes wet.
  • When the glass becomes dirty or marked with fingerprints, polish the surface slightly hard with a dry, clean cloth like gauze with alcohol. Wipe the glass again afterwards with a new, dry and clean cloth to completely remove the alcohol remaining on the surface.

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LingYan Engineering Co., Ltd.
E-mail: sales@glass-product.com

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