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Neutron Radiation Shielding Walls

Frontier Technology Corporation has extensive experience in neutron radiation shielding, offering custom-built neutron shielding walls that provide reliable, much-needed protection from harmful radiation. We're also a world leader in Californium-252 neutron source manufacturing and design, and specialize in the logistics and shipping of radioactive materials.

The Dangers of Neutron Radiation

Because neutron radiation presents so many inherent dangers, top-of-the-line neutron shielding protection is critical. Neutrons have neither a positive nor a negative charge, resulting in a wide range of energy and mass levels that must be blocked. Neutron radiation dangers, therefore, must be handled with the utmost care and attention to detail, whether dealing with nuclear power facilities, medical X-ray systems, radioisotope projects, or particle accelerator work. Hazardous rays can cause serious and long-lasting physical harm to the people exposed to them, and structural material and environments can also be damaged beyond repair by radioactive waves. Electronic devices and photographic film, in particular, are a couple of the more sensitive mediums that can be easily damaged.

Our Shielding Walls

Before FillingFor our shielding walls, we make use of materials composed of low-atomic-number elements, as they have a high probability of forming cross-sections that will interact with the neutrons. Denser materials, such as lead, are less effective in blocking radiation because the neutrons are uncharged and can easily pass through the dense material. Hydrogen and hydrogen-based materials are preferable for neutron shielding because compounds with a high concentration of hydrogen atoms — such as water — act as reliable barriers and provide inexpensive shielding. However, neutron radiation shielding is most reliable when it incorporates both high- and low-atomic-number elements, as low-density materials alone can emit gamma rays when blocking neutrons.

Water-extended polyester (WEP) resin is easily prepared, has a high water content, is resistant to fire, and has a mechanical strength between those of wood and concrete. Unsaturated polyester resins readily emulsify with water; WEP’s hydrogen content compares to that of water.

After FillingFrontier’s WEP material is highly effective for all custom shielding wall needs, and can be used across a range of industries. Our shielding helps protect personnel in harsh environments, such as those within the nuclear, health physics, defense, laboratory, and packaging industries. Along with the WEP inner material, our custom shielding walls include stainless steel outer materials and can be constructed to have up to 12 inches in neutron shielding thickness, up to 8 feet in height, and up to 6 feet in width. They also include isotope pass-through ports. We can also fill customer-designed and supplied neutron shielding walls with WEP inner material.

Our production volumes range from prototypes through production quantities with lead times typically around eight to fourteen weeks. Void volume and meter testing services are included. National Institute of Standards and Technology traceability, as well as our own quality assurance manual, help to guarantee wall quality. Additional services include documentation, integration, project management, reverse engineering, and technical support.

Our shielding walls meet a range of industry standards, including 10CFR50 Appendix B, IAEA Special Form Certification, U.S. Department of Transportation (USDOT) and U.S. Nuclear Regulatory Commission (USNRC) regulations, NIST-traceable requirements, and ISO 2919.

Learn More

At Frontier, we pride ourselves on being the world’s foremost expert in neutron sources. Our full offering includes Cf-252 neutron sources, PINS, analyzers (PGNAA), scanners, Type A casks and shipping containers, and reactor startup rods. To discuss how our neutron radiation shielding walls can help protect against neutron radiation damage in your application, or to ask a general question, reach out to the team today.


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Custom Shielding Walls Capabilities

Types
Walls
Shielding
Outer Material
Stainless Steel
Inner Material
Filled Webs
Thickness
Up to 12 in.
Height
Up to 8 ft.
Width
Up to 6 ft.
Options
Isotope Pass-Thru Ports
Testing Services
Void Volume
Meter Testing
Quality Control
QA Manual
Additional Services
Documentation
Integration
Product Design
Project Management
Reverse Engineering
Technical Support
Production Volume
Prototype
Production
Lead Time
8 to 14 weeks
Based on Inventory and Scheduling
Expedited Services Available
Video Description

Additional Information

Industries Served
Nuclear
Health Physics
Defense
Laboratory
Packaging
Transportation
Medical
Bulk Material (Coal/Cement) Analysis
Oil Well Logging
Power Plants
Homeland Security (Border Crossings/Airports)
Research Projects
Intended Applications
Cf-252 Neutron Sources
Pins
Analyzers (PGNAA)
Scanners
FTC Shields
Type A Casks and Shipping Containers
Reactor Start-Up Rods
Industry Standards
10CFR50 Appendix B
IAEA Special Form Certification
U.S. Department of Transportation (USDOT)
U.S. Nuclear Regulatory Commission (USNRC)
NIST Traceable
ISO 2919
ANSI
97E6644
97E6X644
97E66543
97E66344
BBB

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