Overview
Polyurethane board is a synthetic polymer material formed through the reaction of polyols with isocyanates. It exists in both rigid and flexible forms, with rigid PU boards being particularly valued in construction and industrial applications. These boards are manufactured through continuous or discontinuous processes, allowing for customization of density, thickness, and surface finishes. The material's cellular structure contributes to its exceptional insulation properties while maintaining structural integrity.
Physical and Chemical Properties
Polyurethane boards exhibit excellent thermal insulation with typical conductivity values of 0.022-0.028 W/(m·K), among the lowest of common insulation materials. Their closed-cell structure provides moisture resistance and dimensional stability. Chemically, PU boards demonstrate good resistance to oils, greases, and many solvents, though they may degrade with prolonged exposure to strong acids or bases. The material maintains its properties across a wide temperature range, typically from -50°C to +120°C, making it suitable for diverse environments.
Main Applications
In construction, polyurethane boards serve as high-performance insulation for walls, roofs, and floors, often in sandwich panel configurations. Their lightweight nature reduces structural load while providing superior insulation compared to traditional materials. The refrigeration industry extensively uses PU boards for cold storage facilities, refrigerated trucks, and commercial freezers due to their thermal efficiency. Industrial applications include cleanroom panels, acoustic barriers, and protective packaging where specific performance characteristics are required.
Safety and Storage
While generally safe during normal use, precautions should be taken when cutting or machining PU boards to avoid inhalation of dust particles. Proper ventilation is recommended during installation. Storage should be in dry conditions, with boards kept flat to prevent warping. Stacking height should be limited to prevent deformation of lower boards. Most PU boards are classified as combustible materials and should be kept away from ignition sources.
B2B Procurement Guide
When sourcing polyurethane boards, specify required parameters including density, thermal conductivity, fire rating, and dimensional tolerances. Request certified test reports for critical performance metrics. For large projects, consider manufacturers offering custom sizes to minimize waste. Evaluate suppliers based on production capacity, quality control systems, and ability to provide technical support. Lead times can vary from 2-6 weeks depending on specifications and order volume.
Related Manufacturers
- 主营：缓冲床、防溢裙板、缓冲条、聚氨酯刮刀、挡尘帘
- 主营：机筛蓝、矿筛网、平面筛、聚氨酯、筛板筛、圆筒筛网、洗煤机筛、弧形筛板、振动筛网、梯形条缝、胶条筛板、包边筛网、筛网条缝、矿山筛网、洗煤筛网、筛篮法兰、包边筛板、洗煤离心机、楔形丝筛网、不锈钢筛条、弧形筛固赢、弧形筛配件、不锈钢筛板、离心脱水机、标准离心机
- 主营：滤芯管、条形筛、丝筛管、聚氨酯包边筛板、过滤筒、曲面筛、筛网管、分离机、弧形筛板、矿筛网片、弧形筛片、楔形滤网、过滤网管、过滤筛棒、反绕筛管、焊接筛网、约翰逊管、弧形筛网、过滤筛管、条缝筛网、条缝筛板、过滤筛筒、矿山筛网、过滤筛网、翻转筛网、不锈钢滤网
- 主营：抗冲击波门、防溢裙板、防火栅栏门、避难硐室门、矿用缓冲床、矿用缓冲条、防腐枕木、金属顶梁、矿用门、无压风门、防水密闭门、防爆门
- 主营：三元乙丙胶条、pp棒、尼龙板、聚氨酯板、pom板、尼龙棒、酚醛布板、绝缘胶木板、电木板、环氧树脂板、有机玻璃板、亚克力板、pc耐力板、绝缘橡胶板、硅胶板、pvc板、pp板、pe板、橡胶件、pom棒、聚四氟板、云母板、弹性体密封条、3M硅胶发泡密封条、密封条
- 主营：尼龙板、挡风条、绝缘板、聚氨酯、pvc阻燃、pvc卡条、发泡条、耐候胶、硅橡胶、pvc板材、电木棒、阻水条、挤出条、环氧板、密封条、tpe胶条、橡胶垫、硅胶管、防火门、透明板、尼龙棒、硅胶条、橡胶板、橡胶条、装饰pvc
- 主营：波纹管、止水带、夹布胶管、聚氨酯板、高压胶管、胶管钢丝、橡胶软管、液压油管、金属软管、过渡接头、低压胶管、法兰胶管、胶管总成、橡胶水管、钢丝编织、高压油管、法兰夹布、泥沙胶管、橡胶管耐磨、高压橡胶管、管道耐酸碱、橡胶管软管、胶管耐酸碱、液压胶管接头
- 主营：高压胶管、金属补偿器、橡胶耐磨件、聚氨酯叶轮盖板、不锈钢波纹管、液压硬管、铁弯管、尼龙棒、液压弯管、管接头、铁油管、浮选机过浆管、硬油管、橡胶圈、搅拌桶叶轮、镀锌油管、油管总成、橡胶软管、叶轮盖板、编织胶管、防火胶管、金属软管、浮选机配件、浮选机下体、搅拌叶轮
- 主营：尼龙制品、塑料制品、橡胶制品、聚氨酯板、橡胶异形件非标定制
- 主营：聚氨酯板、聚氨酯筛板、聚氨酯包胶轮、皮带清扫器、旋流器、橡胶弹簧
- 主营：聚乙烯板、PE板、聚丙烯板、聚氨酯板、PP板、超高分子量聚乙烯板、UPE板、尼龙板、PU板、聚乙烯棒、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、超高分子量聚乙烯板材、煤仓衬板、防静电聚氨酯板、料仓衬板、粮仓衬板、稀土含油尼龙衬板、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、聚乙烯板、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、高分子聚乙烯板、尼龙棒材
- 主营：硅胶圈、定制-pu、密封圈、聚氨酯、隔膜垫、硅胶塞、梅花垫、振动筛、橡胶圈、试管塞、弹力球、输送机、减震垫、软连接、履带板、橡胶块、硅胶垫、密封件、硅橡胶、价廉-pu、橡胶塞、橡胶盖、包胶辊、橡胶球、优力胶
- 主营：聚氨酯板条、高压胶管、金属软管
- 主营：料流阀、700电动、砂带机、粉墙机、推杆直、刹车带、阀一年、dytp-2000、扇形阀、钉扣机、阀闸门、打磨机、输送机、阀口径、喷砂机、dyt电液、修磨机、闸阀鄂、阀料仓、分煤器、推拉杆、防溢裙、推杆孤、旋转刷、手动鄂