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T & D Tungsten Alloys Co., Ltd

In order to protect patients and other people from harmful effects of ionizing radiation, a type of excellent radiation-absorbing material is badly needed. For this reason, Tungsten Alloy radiation shielding is becoming more and more popular.

Experts find that radiation exposure could be reduced by maxing shielding. The density of a material is related to its radiation stopping ability. Higher density means better stopping power and shielding. Due to a higher density, tungsten alloy radiation shielding has a much higher stopping power than lead. Its greater linear attenuation of gamma radiations means that less is required for equal shielding.
Tungsten heavy alloy is a suitable raw 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), simplified life cycle and high strength. It 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 in the past, tungsten heavy alloy radiation shielding is more acceptable because they are non-toxic.

The most effective utilization of tungsten, out of many, will be achieved after evaluation of several key factors (space/environmental considerations, long-term storage/disposal and potential for multiple applications) on the prospective application. Though not cost-beneficial for “ordinary” shielding applications, when properly selected as the shielding material, does avoidance exceeding that of lead will be achieved.
Tungsten possesses a high density of 19.25 g/cc (the density of lead is 11.34 g/cc). Where tungsten gains the advantage is in the ease of blending into plastic for extrusion or molding into custom shapes and sizes. Tungsten also differs from lead in that is virtually non-reactive and non-toxic. This eases handling requirements and minimizes issues associated with lead use such as long-term disposal and the potential characterization as a mixed hazardous waste.

The differences between tungsten and lead provide the opportunities to address more creative shielding needs. These differences are the drivers for two out of the three key factors to consider:
1: Space and Environmental Considerations
The tenth-value thickness for tungsten is approximately one-half that lead of allowing for greater dose rate reductions in smaller spaces.
Effective for use where there are narrow clearances or space limitations (for example: substituting a five inch pellet shield wall versus thirty layers of lead blanket.
Underwater application
2: Long-Term Storage / Disposal
Not a potential mixed hazardous waste—far less costly to dispose of the end of a facility’s life.
Less toxic--ease in handling in pellet from versus lead shot.
3: Potential for Multiple Applications
Recognizing multiple applications for the tungsten shielding (as for any engineered control) enhances the cost / benefit analysis for the use of the material.

The density of tungsten heavy alloy makes it the first choice for radiation shielding application in the medical imaging and treatment industry.
Tungsten heavy alloy is an excellent replacement for lead.
The usage of tungsten heavy alloy in radiation protection is not subject to NRC, EPA, or special OSHA regulations. Because of this, it has been widely used. Several viable forms of tungsten shielding technology already exist, with additional research and production in progress. Here are a few examples of use for tungsten shielding:

X-Ray and CT Tube Housing
Nuclear Waste Storage
Nuclear Material Transport
Multileaf Collimators
Nuclear Casks
accelerator shield
Gamma Cameras
X-Ray Cabinets, Funnels, Tanks
Shielding Block
NDT Shielding
Shielding in Cancer Therapy Machine
Syringe Protection for Radioactive Injections
Vial Shielding
PET Shielding
Nuclear Shielding Wall
FDG Container
Nuclear Medicine
Oncology Isotope Production, Transport and Containment
Tungsten Polymer
Soft-Skin Coat, Apron by Tungsten Material
Radiation Safety Components for Security Products
Detector Shielding
Nuclear Testing Equipment
Nuclear Power Plant Shielding
Source Holders for Oil Well Logging
Pipe-Line Inspection Gamma.
Defense for Nuclear Submarines
You will benefit from our more than 25 years of experience providing tungsten for radiation protection. No matter what sizes and shapes, T & D Tungsten offers you best services on your need for shielding. Furthermore, You can get products from T & D Tungsten customized to meet your exact specifications.
T & D Tungsten Alloys Co., Ltd is an ISO 9001-2008 certified tungsten alloy manufacturer in China. The certificate number is USA11Q20733ROM. Our oversea sales agent—Lippo International Inc is in charge of all exporting business.

We supply different grades of high density tungsten alloy blank and machining finished final products according to your designs. Our products as per ASTM B 777-07,class 1-4. Our tungsten alloy can be non-magnetic or magnetic according to your requirement.

T & D Tungsten use both normal pressing way and MIM in our factory. We have our own CNC machine center to fabricate the parts according to your drawings.

If you wish to inspect the quality of our products, we would be pleased to send you samples.

We appreciate your consideration as one of your vendors.

Main email:to send an email to this company click here
Address: 6 ChangJiang Street South
TianYuan District
ZhuZhou City
Hunan Province
Number of employees:294
Company type:limited
Ownership 1:min yu
subsidiaries:we supply high density tungsten alloy products. we have our own CNC machine center to fabricate the tungsten according to your design.

we also supply soft tungsten polymer and hard tungsten nylon.

we can offer free samples for quality inspecting.

Year created:1997
Capital:USD35 million
Qualifications:ISO 9001 -2008

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