Overview
Lead rolls for darkrooms are essential shielding materials designed to block X-rays and other forms of ionizing radiation. Composed of high-purity lead (typically ≥99.9%), these flexible sheets are widely used in medical imaging facilities, photography darkrooms, and industrial radiography. Their malleability allows for easy installation on walls, doors, or windows where radiation protection is required. Unlike rigid lead panels, rolls offer adaptability for irregular spaces and can be cut to size on-site. The material’s effectiveness stems from lead’s high atomic number (82), which efficiently absorbs and scatters radiation.
Physical and Chemical Properties
Darkroom lead rolls exhibit a metallic gray appearance with a smooth surface, though some variants feature a vinyl or paper coating for easier handling. With a density of 11.34 g/cm³, they provide superior mass attenuation compared to alternative materials. Chemically, lead is stable under normal conditions but reacts with acids and oxidizing agents. The rolls maintain flexibility at room temperature due to lead’s face-centered cubic crystal structure. Notably, they are non-combustible and insoluble in water, though prolonged moisture exposure may cause surface oxidation.
Main Applications
Primary use cases include lining walls in hospital radiology departments (X-ray, CT, and fluoroscopy rooms) and veterinary clinics. In photography, they shield darkrooms from stray light and incidental radiation during film development. Industrial applications encompass nuclear power plants, cargo inspection systems, and non-destructive testing facilities. Some rolls are laminated with adhesive backing for direct application to surfaces, while others serve as movable barriers in temporary radiation zones.
Safety and Storage
While effective for radiation protection, lead requires careful handling to prevent toxicity. Always use gloves to avoid direct skin contact and wash hands after installation. Cutting or sanding generates hazardous dust – perform such operations with proper ventilation and respiratory protection. Store rolls horizontally on pallets to prevent deformation, ideally in a climate-controlled environment below 40°C. Keep away from nitric acid, hydrogen peroxide, and other oxidizers that may corrode the material. Dispose of scraps through certified hazardous waste channels.
B2B Procurement Guide
When sourcing darkroom lead rolls, specify thickness (typically 0.5-3mm), width (common rolls are 1m or 1.2m wide), and core diameter (usually 75-100mm). Request mill certificates verifying purity – medical-grade rolls should meet ASTM B749 standards. For shipping, confirm whether rolls are wound with protective interleaving paper. Consider suppliers offering pre-cut sizes or custom fabrication to reduce on-site labor. Bulk purchases (500+ kg) often qualify for 10-15% discounts. Always audit suppliers for proper licensing to handle and transport lead products.
Related Manufacturers
- 主营：铅板、配重铅块、铅门、铅房、射线防护铅玻璃、防辐射铅房、铅件、铅制品、铅锭、3mm铅板、防辐射铅箱、储存铅箱、电动铅门、不锈钢铅门、铅皮、铅粒、铸造铅件、铅浇铸件、铅板厂家、铅复合板、移动铅房、铅砖、铅块、硫酸钡砂
- 主营：防辐射铅门、防辐射铅板、铅箱、铅玻璃、铅门、铅块、铅件、铅丝、铅板、核医学专业防护、核医学通风橱
- 主营：保温铝皮、铝瓦、花纹铝板、保温铝卷、橘皮铝卷、彩涂铝卷、彩钢卷、镀锌卷、铅锭、铅板、铅丝、铅件加工、防辐射铅门、超薄保温铝卷、耐磨铝卷、防滑铝板、铝锭、6061铝板、铝管、超薄铝皮、保温铝材、防锈铝皮、防滑花纹铝板、5052铝板、铝板材
- 主营：dr室铅板、铅丝、铅棒、铅块、铅门、铅房、铅帘、铅板、辐射防护工程
- 主营：防辐射铅门、防辐射铅板、防辐射铅房、防辐射铅玻璃、防辐射铅箱、铅块、铅锭、铅砖、铅加工件、工业探伤铅门、工业探伤铅房、防辐射硫酸钡砂、防辐射硫酸钡板
- 主营：工业探伤门、工业探伤房、射线防护工程、防辐射铅门、防辐射铅板、异形铅板、铅浇筑件、铸造铅块、铅件异形铅加工件、浇铸铅块、浇铸铅件、铅板、铅门、铅板施工、铅门安装、防辐射材料
- 主营：保险丝、熔断丝、储存容器、铅制品、实心铅棒、医用铅箱、配重铅块、异形铅块、废弃铅罐、异形铅砖、精密铅件、异性铅块、储存铅箱、防护铅罐、铅锑合金管、防辐射铅桶、防辐射铅皮、防辐射铅箱、耐腐蚀铅砖、铅锑合金板、防辐射用铅箱、挤压浇铸铅砖块、放射性储存铅罐、防辐射砖、移动式隔断
- 主营：硫酸钡砖、硫酸钡板、工业探伤房、铅板铅门、医用铅门、医用铅板、防辐射铅门、防辐射铅房、防辐射铅板、净化单开铅门、防辐射铅玻璃、核磁共振屏蔽室、医用防护工程、防辐射硫酸钡、净化单开病房门
- 主营：彩钢板、彩涂板、镀铝锌、彩钢卷、彩涂卷、锌铝镁
- 主营：铝管、铝棒、铝板、铅卷、无缝铝管、铜管、铜板、铜棒、紫铜棒、黄铜管、黄铜棒、铝型材、铝方管、紫铜管、紫铜板、紫铜盘管、黄铜型材
- 主营：气密门、探伤门、硫酸钡、铅皮板、铅玻璃、电动铅门、铅门铅板、防护铅板、防护铅门、推拉铅门、气密铅门、手术室门、牙科铅板、x光室铅板、不锈钢铅门、放射科铅板、防辐射铅板、防幅射铅门、手术室平移门、洁净门、防辐射板、常规尺寸、重晶石粉、脚踏感应门、不锈钢防护门
- 主营：湿电配件、阴极线、RS芒刺线、铅箔、铅管、芒刺钉子线、绝缘箱、湿电重锤、芒刺线、阳极板
- 主营：传感器、电磁阀、保护器、光伏板升降机、地磅、电动脚手架、装载机电子秤、机械抓手、砌筑升降平台、内撑吊具、混凝土振动棒、打标机、研磨机、裁切机、平移门电机、超市防盗门、磨片磨头、滑移机、消防机器人、农业打药机、履带底盘、消防器材
- 主营：复合板、探伤门、防护门、电动铅门、防护铅皮、单开铅门、平移铅门、感应铅门、口腔铅门、防护铅板、防护铅门、手动铅门、防辐射铅门、不锈钢铅门、放射科铅板、防辐射铅板、高密度铅板、防辐射纯铅板、防x光射线铅板、防护板、防护材料、电解钢板、防护安装、防护电动门、推拉电动门
- 主营：无缝钢管、不锈钢板、镀锌钢管、铅板、铅门、方管、不锈钢管、不锈钢花纹板、高压锅炉管、合金钢管
- 主营：储源柜、通风橱、注射窗、铅玻璃、电动铅门、移动铅房、防护铅门、墙面铅板、放射铅门、防辐射铅门、防辐射铅桶、防辐射铅板、应急式铅房、防辐射铅箱、一体式铅房、防辐射铅罐、牙片室铅门、x光室防护门、防护橱柜、防辐射门、分装柜体、防护玻璃、衰变池设备、防辐射涂料、衰变控制系统