Overview
Custom polyurethane spray refers to formulated polyurethane products designed for specific industrial applications through spray application. These formulations can be tailored for properties like hardness, flexibility, curing time, and chemical resistance. Polyurethane sprays are created by combining polyols with isocyanates, resulting in a polymer that can be applied as liquid or foam. The customization allows for precise matching to application requirements, making it valuable across multiple industries.
Physical and Chemical Properties
The physical properties of custom polyurethane sprays vary significantly based on formulation. Typical characteristics include high tensile strength (10-50 MPa), elongation at break (100-600%), and Shore hardness ranging from 30A to 75D. Chemically, cured polyurethane resists oils, greases, and many solvents. Its thermal stability typically ranges from -40°C to 120°C, with specialized formulations exceeding these limits. The material exhibits excellent adhesion to metals, concrete, wood, and plastics when properly prepared.
Main Applications
In construction, polyurethane spray serves as insulation for walls and roofs, providing both thermal protection and waterproofing. The automotive industry uses it for underbody coatings, sound dampening, and protective layers on mechanical components. Industrial applications include protective coatings for machinery, pipe insulation, and sealing for electronic components. The spray format allows for efficient application on complex geometries and large surface areas where traditional coating methods would be impractical.
Safety and Storage
Uncured polyurethane components may contain hazardous isocyanates requiring proper ventilation and PPE including respirators with organic vapor cartridges. Skin contact should be prevented using nitrile gloves and protective clothing. Storage requires temperature control (typically 15-25°C) to prevent premature curing or separation of components. Containers must be kept tightly sealed to prevent moisture absorption, which can affect curing properties. Shelf life is typically 6-12 months when stored properly.
B2B Procurement Guide
When procuring custom polyurethane spray, clearly define application requirements including substrate material, environmental conditions, and performance expectations. Technical specifications should cover hardness, flexibility, cure time, temperature resistance, and chemical exposure. Request samples for testing before large orders. Verify supplier capabilities for formulation adjustments and consistency in production. Consider minimum order quantities (typically 50-100 kg for custom formulations) and lead times (2-4 weeks for specialized products).
Related Manufacturers
- 主营：聚氨酯轮、聚氨酯制品、浇筑注塑聚氨酯、酚醛树脂板、酚醛层压布板、树脂胶木刮水板
- 主营：聚氨酯制品、振动橡胶弹簧、实心振动筛球
- 主营：橡胶塞、胶按键、异形件、聚氨酯件、橡胶套、密封件、硅胶杂件、硅胶塞头、工业橡胶、硅胶隔膜、制品定做、防尘密封、减震缓冲、橡胶板垫、橡胶垫片、硅胶脚垫、硅胶配件、设备零件、橡胶垫块、硅胶制品、硅胶垫片、橡胶制品、双面护线圈、硅胶密封圈、硅胶缓冲垫
- 主营：吸音棉、玻璃板、复合板、聚氨酯管壳、隔气膜、玻璃棉、纤维纸、隔热棉、呼吸纸、珍珠岩、聚苯板、发泡板、透气纸、透气膜、防火管、嵌缝板、岩棉板、隔热板、针刺毯、橡塑板、塑料板、璃棉板、保温被、火克板、一体板、营养土
- 主营：尼龙衬套、尼龙滑轮、螺丝螺母、铭泽聚氨酯制品、尼龙制品、高分子塑料件
- 主营：聚氨酯定制、铸石板、铸石衬板
- 主营：泡沫玻璃板、硅酸铝针刺毯、复合硅酸盐板、聚氨酯黑白料、聚氨酯管壳、聚氨酯喷涂料、聚氨酯甲乙料、聚氨酯发泡料、聚氨酯瓦壳、聚氨酯、聚氨酯保温管、岩棉板、保温管、保温板、岩棉管、组合料、橡塑板、橡塑管、复合硅酸镁管、针刺毯
- 主营：牵引机聚氨酯胶块、牵引机橡胶胶块、牵引机硅胶胶块、牵引机胶块
- 主营：异形件、弹性垫、空心管、聚氨酯板、聚氨酯条、聚氨酯轮、聚氨酯制、聚氨酯块、聚氨酯件、聚氨酯胶辊、密封垫、振动筛、耐磨条、轴承轮、分离器、包胶轴、防撞块、减震块、缓冲块、定位块、导靴轮包、缓冲轴套、缓冲垫块、橡胶胶辊、包胶滚轮
- 主营：无机纤维喷涂、聚氨酯冷库外墙管道发泡、矿物棉喷涂施工、无机玻璃纤维喷涂施工、无机纤维喷涂施工
- 主营：水性聚氨酯树脂、油性聚氨酯树脂、水性聚氨酯胶粘剂、TPU胶粒
- 主营：金纳米、三角片、麦芽糖、聚氨酯改性金纳米颗粒、羟丙基、ito薄膜、氮化钛、tio2纳米、碳粉tio2、修饰tio2、pd纳米笼、水溶伊红、纳米复合、磁性纳米、蛋白芯片、包硅金银、硅纳米线、包硅纳米、硅纳米管、螯合树脂、油溶性银、复合材料、薄膜定制、纳米粒子
- 主营：LC5.0型轻集料、LC7.5型轻集料、轻集料混凝土、聚氨酯防腐涂料、轻骨料混凝土、玻璃鳞片胶泥、环氧富锌底漆、氰凝防水防腐涂料、环氧防腐涂料、8710饮用级防腐涂
- 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