Boron-doped Polyethylene
Overview
Boron-doped Polyethylene is a composite material where boron compounds are uniformly dispersed within a polyethylene matrix. The addition of boron, often in the form of boron carbide (B₄C) or boric acid, enhances the material's ability to absorb thermal neutrons, making it critical for radiation shielding. Developed for nuclear and medical industries, this material combines the ease of fabrication of polyethylene with the neutron-absorbing properties of boron. It is commonly manufactured into sheets, blocks, or custom-molded parts, depending on application requirements.
Physical and Chemical Properties
The material retains many properties of polyethylene, such as flexibility and chemical resistance, while gaining neutron-shielding capabilities from boron. Its density increases with higher boron loading, which also slightly reduces thermal stability. Boron-doped polyethylene is non-reactive under normal conditions but may degrade under prolonged UV exposure or extreme temperatures (>130°C). Its mechanical strength allows for machining into precise shapes, though tools must be carbide-tipped due to boron's abrasiveness.
Main Applications
Primary use is in neutron shielding for nuclear reactors, fuel storage, and medical facilities (e.g., PET scan rooms). It is favored over lead for neutron radiation due to boron's high absorption cross-section. Secondary applications include aerospace components and military equipment where lightweight radiation protection is needed. The material is also used in laboratory settings as portable shielding barriers or containers for radioactive samples.
Safety and Storage
While polyethylene is inert, boron additives may pose mild irritation risks. Dust generated during cutting or sanding should be controlled via ventilation or wet methods. Finished products are safe to handle. Store in dry conditions to prevent moisture absorption, which could affect dimensional stability. Avoid contact with strong acids or oxidizers, which may degrade the polymer matrix over time.
B2B Procurement Guide
Buyers should specify boron concentration (typically 2–5% for general shielding), thickness, and mechanical tolerances. Certifications like ASTM E595 (outgassing) may be required for aerospace uses. Suppliers often provide custom fabrication services. Bulk orders (100+ kg) may reduce costs by approximately 15–20%. Verify supplier compliance with ISO 9001 or nuclear industry standards if applicable.
Related Manufacturers
- 主营：--
- 主营：pe护舷板、临时铺路板、支腿垫板、高分子聚乙烯板、聚乙烯棒材、超高分子量聚乙烯板材、阻燃聚乙烯板材、聚乙烯电缆夹、聚乙烯刮板、聚乙烯导轨、含硼聚乙烯板材、聚乙烯防撞板、聚乙烯地沟盖板、聚乙烯脱水面板、U型衬板、煤仓衬板、耐磨滑块、煤矿井下用防滑铺路板、防静电UPE板材、PP板材、UPE车厢滑板、煤矿井下电缆沟盖板、尼龙齿轮、尼龙加工件、PP焊接水箱
- 主营：Pp水箱、皮纹板、pe 塑料板、聚乙烯路基板、防滑纹聚乙烯路基板、食品级聚乙烯皮纹板、高分子聚乙烯板材、PE 滑块垫板、底板滑板材料、异形加工件、非标加工件、裁切工业用板、电镀专用水洗槽、pp 水箱酸洗槽、pe 磨砂板、HDPE 路基板、工程铺路板、耐磨铺路板、UPE 异形加工、UPE 材质异形、高密度防陷板、铺路路基板、耐磨陶瓷贴片、PP 水箱焊接板材、PP 水箱加工
- 主营：聚乙烯板、链条导轨
- 主营：三合一陶瓷复合衬板、氧化铝陶瓷衬板、聚四氟乙烯板、超高分子量聚乙烯板、聚乙烯煤仓衬板、聚乙烯板、聚四氟楼梯板5mm、聚四氟滑动支座板、压延微晶板、微晶铸石板、氟橡胶板、碳化硅、氧化铝陶瓷贴片、碳化硅板、碳化硅研磨管、尼龙板、铸石板、石棉橡胶板、聚氨酯陶瓷衬板、硅胶板、Pp板、Pe板
- 主营：铺路垫板、支腿垫板、防中子屏蔽材料、超高分子量聚乙烯板、含硼聚乙烯板、防辐射聚乙烯板、超高分子量聚乙烯异形件、高密度聚乙烯板、Hdpe阻沙板、HDPE板、冰球场围栏、足球回弹板、pp板、仿真冰板
- 主营：仿真冰、围栏围挡、铺路板、聚乙烯耐磨板、支腿垫板、耐磨衬板、超高分子量pe板、HDPE锚固板、冰球场围栏
- 主营：聚丙烯板、三合一陶瓷衬板、尼龙板、聚乙烯板、聚乙烯垫板、超高分子量聚乙烯板、HDPE板、煤仓衬板
- 主营：PP板、pvc板、塑料异形件、聚乙烯PE板、超高分子量聚乙烯板、环保pe板、煤仓耐磨、车厢衬板、U型水槽、车厢滑板、护舷面板、焊接pp水箱、支腿垫板、仿真冰板、吸水箱面板、导轨链条、塑料铺路板、塑料焊接制品、UHMWPE板、路基板、耐酸碱PP接水盘、实验室耐酸碱托盘、聚丙烯pp鱼池、PE水箱、养殖水箱
- 主营：聚乙烯板
- 主营：含硼聚乙烯板、聚乙烯耐磨板、起重机垫脚板
- 主营：PE板、聚丙烯板、PP板、聚乙烯板、超高分子量聚乙烯板、聚乙烯棒、UPE板、尼龙板、聚氨酯板、PU板、PE棒、聚丙烯棒、PP棒、UPE棒、尼龙棒、塑料异型件、来图加工、CNC雕刻机
- 主营：链条导轨、尼龙制品、煤仓衬板、超高分子量聚乙烯板、高分子链条滑轨、尼龙齿轮
- 主营：环氧树脂刮刀、聚四氟乙烯板、尼龙异形件加工、超高分子量聚乙烯板、聚乙烯煤仓衬板、聚乙烯铺路板、含硼聚乙烯板、聚乙烯加工件、高分子聚乙烯刮刀、铸石衬板、压延微晶板、高分子车厢滑板、高分子料仓衬板、碳纤维刮刀、真空伏辊密封条、塑料板定制、衬板安装
- 主营：异形加工件、支腿垫板、铺路垫板、超高分子量聚乙烯板、HDPE高密度聚乙烯、含硼聚乙烯板、防水防腐衬片、pe锚固板、冰球练习板、护舷贴面板
- 主营：链条导轨、煤仓衬板、料仓衬板、超高分子量聚乙烯板材、稀土含油尼龙衬板、聚乙烯板、高分子聚乙烯板、粮仓衬板、钢煤斗内衬板、卸煤沟衬板、压延微晶板、UHMW-PE棒材、尼龙板材、pp板材、铸石板、聚丙烯板、PE板、尼龙加工件、尼龙轴套、尼龙滑块、足球训练反弹板、铺路垫板、路基板、旱冰场围栏、尼龙棒材