From the result of total dose, it can be seen that when the material is thin, the shielding performance of polyethylene is better than that of resin-based material. The Boron attenuates thermal neutrons and reduces the level of capture gamma rays, while the high hydrogen content thermalizes fast neutron. With standard sizes up to 6m x 2m x 100mm and total elemental boron loading of 5%. Standard size sheets are 48”x96”x1” thick and weigh approximately 154 pounds each. Pure polyethylene is flammable, but some of the commercial products available contain self-extinguishing additives. [18], where the authors presented a re-usable steel resin, para n/PE and boron mixture for neutron shielding. Custom Our process, materials, quality programs, sampling, testing, tracing and packaging all meet or exceed military specifications such as MIL-P23536A and EB2562E. This shielding consists of 50mm of borated polyethylen plastic, which is an excellent neutron radiation attenuator, integrated on top of 25 mm of T-FLEX® Tungsten. An example of this is our dry cask shielding. a plastic neutron shielding containing B 4C for thermal and epithermal neutrons. It is the product of a proprietary process called K-Stran™, the most advanced manufacturing process for superior flatness and consistency of 1” thick. Our borated polyethylene contains 5% boron content (by weight). Like other neutron shielding materials, the material under the action of neutrongamma rays. The table below lists common thicknesses, sizes with prices. The borated polyethylene sheet is also certified by prime vendors of the U.S. government as the source for Grade II and Grade III neutron shielding material on nuclear submarines and naval warships. Alpha and Beta Particles : Alpha particles are positively charged helium nuclei, and are relatively easy to block, while beta particles are negatively charged electrons that are more difficult to shield against. The result shows that polyethylene presents good neutron shielding performance, but produces more secondary gamma rays. JCS is pleased to announce a new low-cost range of engineering-grade neutron shielding including pure and boron loaded polyethylene. The Determination theoretical of the total mass attenuation coefficients (μ/ρ) for gamma rays and the macroscopic effective removal cross-sections ( ) for fast neutrons was carried out for five shielding materials: Pure Polyethylene, Lithium Polyethylene, Borated Polyethylene, Bismuth-loaded Polyethylene and Borated-lead Polyethylene. The resin-based material performs well at shielding gamma rays. Shielding Neutrons The Three Steps 1. Slow the Neutrons 2. Boron Filled Polyethylene Neutron Shielding, supplied by Tangyin Sanyou Engineering Plastic Co., Ltd., is a lightweight, cost-effective neutron shielding solution to attenuate and absorb neutron radiation.Our borated polyethylene contains 5% boron content by weight. Neutron Shielding Products Ray-Bar Neutron Shielded Doors. Neutron shielding and attenuation features of polyethylene is due to its hydrogen concentration. The polyethylene-boards used were 1” in thickness, and the lead bricks used were 2” in thickness. Canister Lid Shields. Our new sheets are easily machined and cost-effective for all neutron shielding … The Borated Polyethylene Neutron Shielding Material King Plasti-Shield® is a borated polyethylene neutron shielding material. Welcome to the most trusted and comprehensive Neutron Shielding directory on the Internet. It is a light-weight, cost-effective and easily fabricated solution for a wide variety of neutron-shielding needs. Neutron Radiation Shielding. 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