When the boron content is 8%, the 30 cm thick boron-containing polyethylene plate achieves a neutron shielding rate of over 98%
Time : May 09, 2026

In the field of neutron radiation protection, a set of key data highlights the core value of boron-containing polyethylene plates. With a boron content of 8% and a thickness of 30 cm, the shielding rate of boron-containing polyethylene plates against neutron sources can steadily reach more than 98%. Behind this data lies a perfect match between material science and protection requirements, making it a preferred protective material for numerous high-risk scenarios.


The efficient shielding performance of boron-containing polyethylene plates stems from their unique material composition and dual protection mechanism. Using polyethylene as the base material, it is uniformly blended with boron compounds in a specific proportion. The 8% boron content perfectly balances shielding efficiency and material properties: it enables boron-10 isotopes to efficiently capture thermal neutrons, while preventing the reduction of plate toughness caused by excessively high boron content. The thickness of 30 cm provides sufficient protection guarantee. Thermal neutrons moderated by hydrogen atoms in polyethylene can be fully absorbed, steadily maintaining the shielding rate above 98% and blocking the leakage of neutron radiation to the maximum extent.


Boron-containing polyethylene plate


This data is not a theoretical laboratory value, but a reliable standard verified in practical application scenarios. In scenarios such as nuclear power plant spent fuel storage, proton therapy rooms and neutron source laboratories, boron-containing polyethylene plates meeting this specification quietly build safety barriers to protect staff and the surrounding environment. Compared with traditional protective materials, it can achieve high-efficiency protection without bulky stacking, and also has the advantages of light weight, non-toxicity and easy processing, breaking the inherent perception that high-efficiency protection must be bulky.


This article is compiled and edited by Henan Jinhang Engineering Plastic Co., Ltd. (www.upeplastic.cn), Editor-in-Charge: Jinhang. The company specializes in the R&D and production of boron-containing polyethylene plates. Reproduction is permitted with clear source attribution.


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