Tungsten Alloy Syringe and Vial Shielding

Introduction

Tungsten alloys are not only very dense, but they are also very good at attenuating ionising radiation. This makes them ideal for shielding applications such as in nuclear medicine in the nuclear industry.

The ability to attenuate radiation is often expressed in “tenth layer thickness” - the thickness of a plate required to reduce the transmitted radiation to one tenth of the intensity of the incident radiation; the lower the figure, the better the shielding. The attenuation properties also vary with the incident energy if the radiation.

Why Do We Need Tungsten Alloy Radiation Shielding?

With rapid development of medical science, more and more tungsten radiation shielding is used in our lives. Medical instruments x-ray and nuclear power stations have become widespread and are now affecting all our lives. It is essential that people paid more attention to radiation and even more important for the institutions to protect public from the radiation exposure and to make sure to protect every radiation source of X-ray radiation, gamma radiation (energetic electromagnetic radiation), radiation of alpha particles (helium atoms) beta particles (electrons) and cosmic radiation, etc.

In order to protect patients, doctors, nurses and other people who may be exposed to radiation, sources of the radiation must be safely separated and shielded. It is crucial that holding and delivery instruments for radioactive materials would keep the radiation levels low enough, not to create harmful effects of ionizing radiation such as breast cancer, skin cancer, etc. Lead and steel are the traditional protection materials, but tungsten alloy radiation shielding is without a doubt the best solution. Excellent radiation-absorption and radiation shielding, twice the density of lead and good physical resistance are main reasons to use tungsten alloy radiation shielding.

Advantage of Tungsten Alloy Radiation Shielding

Experts find that radiation exposure could be reduced by maxing shielding.

The density of a material is related to its radiation protection ability. Higher density means better stopping and absorbing radiation ray. Due to a higher density than most other materials, tungsten radiation shielding has a much higher ability of absorbing and stopping almost rays than other metals such as the traditional radiation shielding - lead. Tungsten radiation shielding greater linear attenuation of gamma radiations means that less is required for equal shielding. Alternatively equal amounts of tungsten shielding provide diminished exposure risks than equivalent lead.

Tungsten heavy alloy is the right material for radiation protection, as its combination of radiographic density (more than 60% denser than lead), machinability, good corrosion resistance, high radiation absorption (superior to lead and steel), simplified life cycle and high strength. Tungsten radiation shielding can provide the same degree of protection as lead whilst significantly reducing the overall volume and thickness of shields and containers. Besides, compared with lead or depleted uranium (DU), tungsten radiation shielding is more friendship for the environments both lead and DU for it is no any toxic.

T&D Materials Manufacturing Inc has been manufacturing and offering tungsten related products for more than 25 years, Our tungsten radiation shielding products are widely used in PET rooms, linear accelerators, HDR rooms, gamma knife, and nuclear power plants.

Key Features of Tungsten Alloy Radiation Shielding :

1. Tungsten alloy radiation shield is capable for radiation exposure that could be reduced by maxing shielding.

2. Tungsten alloy radiation shield is having higher density therefore it has better stopping power and shielding capability

3. Equal amounts of tungsten alloy radiation shield provides reduced risks rather than equivalent lead shielding

4. Tungsten alloy radiation shield is having radiographic density that is 60 % more denser than lead

5. Tungsten alloy radiation is having high level of machineability and this is good corrosion resistance

6. Tungsten alloy radiation shield is importantly reducing thickness of containers and shields

Applications of Tungsten Radiation Shielding

The usage of tungsten heavy alloy in radiation protection is not subject to NRC, EPA, or special OSHA regulations, so it has been widely used in nuclear medicine as collimator, isotope container, cancer treatment source holder, etc.

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