Isotope is a radionuclide in the chemical element with radiation effects, which is used in many fields such as medical radiotherapy, irradiation sterilization, food preservation, archaeological applications, etc.

Whether used in the field of medical technology, or in others, isotope's radioactive material can release a variety of rays in the decay reaction, which always have adverse effects on human. And it has a very strong radiation, so it must be sealed in the container which has excellent shielding performance in the process of storage and transportation. Tungsten heavy alloy isotope container is one of the most commonly used storage containers.

Safe and container made of tungsten heavy alloy can reliably absorb radioactive radiation, which ensures safe isolation of radionuclides. As tungsten heavy alloy has high density, up to 18.89 g / cm3, so it can achieve reliable radiation protection even if the alloy sheet is thin. Compared with conventional materials (such as lead), tungsten density is 60% higher than that of lead, so even thinner tungsten layer can provide reliable radiation shielding performance, and material thickness halved, its protection is still significantly better than lead.

Tungsten heavy alloy with good ductility and high melting point, can guarantee that safe and containers can withstand even the most stringent conditions of mechanic, corrosion and environment.

In addition, as tungsten has good ductility, excellent absorbency to X-ray and gamma radiation, and it’s easy to process and can provide more effective shielding with less material, it has become the preferred material for making all kinds of shields.