Overview
Polyurethane Black and White Material is a reactive two-component system essential in polyurethane production. The 'black' component typically contains isocyanate (MDI or TDI), while the 'white' component consists of polyols and additives. When mixed in proper ratios, these components undergo polymerization to form polyurethane foams or elastomers. This material is favored in industrial applications due to its versatility and customizable properties. Manufacturers can adjust formulations to achieve varying degrees of hardness, flexibility, and density. The curing process can be controlled for different production requirements, making it suitable for both small-scale and industrial applications.
Physical and Chemical Properties
The black component (isocyanate) is typically a dark liquid with high reactivity to moisture and compounds containing active hydrogen. The white component (polyol blend) appears as a viscous liquid whose properties determine the final product's characteristics. When mixed, the components undergo an exothermic reaction, expanding to form rigid or flexible foams. Key chemical properties include excellent resistance to oils, solvents, and abrasion once cured. Physical properties can be tailored from flexible elastomers to rigid foams with densities ranging from 20-300 kg/m³. The material exhibits low thermal conductivity (0.019-0.035 W/m·K), making it ideal for insulation applications.
Main Applications
In construction, this material is extensively used for spray foam insulation, providing energy-efficient thermal barriers for walls and roofs. The automotive industry utilizes it for seat cushions, sound damping, and interior components. Furniture manufacturers employ it for cushioning and structural elements. The material also serves in refrigeration systems as insulation for cold storage and appliances. Industrial applications include pipeline insulation, flotation devices, and protective coatings. Recent developments have expanded its use in eco-friendly formulations with reduced volatile organic compounds (VOCs).
Safety and Storage
Isocyanate components require careful handling due to potential respiratory sensitization. Proper PPE including gloves, goggles, and respirators should be used during handling. Workspaces must be well-ventilated to prevent vapor accumulation. Components should be stored in original sealed containers at temperatures between 15-25°C. Moisture contamination must be prevented as it causes premature curing. Separate storage from amines, alcohols, and other reactive chemicals is essential. Shelf life typically ranges from 6-12 months when stored properly.
B2B Procurement Guide
When procuring polyurethane black and white materials, verify the NCO content in isocyanate and OH value in polyol components, as these determine the mixing ratio. Request technical datasheets with detailed parameters including cream time, gel time, and tack-free time for your specific application. Consider the compatibility with existing production equipment and processing parameters. For large orders, request samples to test performance. Evaluate suppliers based on technical support, consistency of supply, and ability to customize formulations. Bulk purchases (typically >1 ton) often qualify for better pricing.
Related Manufacturers
- 主营：保温棉、保温板、隔热板、黑白料、隔热棉、泡沫板、挤塑板、岩棉板、隔音棉、保温管、多肉兰、橡塑板、珍珠岩、保温钉、抗裂砂浆、无机纤维、防火包裹、胀珠砂浆、自粘网布、玻璃棉毡、保温砂浆、防火涂料、空调管道、玻璃棉板、玻璃棉管、电力锅炉
- 主营：聚氨酯保温管、直埋式预制保温管、预制直埋保温管、聚氨酯黑白ab组合料、聚氨酯发泡保温管
- 主营：甲醇、乙醇、PVP、黑白料、航空煤油、界面剂、溶剂油、苯甲醇、偶氮二异丁腈、环丁砜、二甲基亚砜、辛醇、丙烯酸
- 主营：发泡管、供热管、保温管、聚氨酯黑白组合料、保温钢管、热力管道、低温保冷、蒸汽管线、蒸汽管道、管网接头、接头皮子、hdpe外护管、聚氨酯管道、供热地埋管、发泡直埋管、聚氨酯管托、保温直埋管、保温螺旋管、供热直埋管、聚氨酯制品、泡沫夹克管、供暖地埋管、地埋供暖管、直埋蒸汽管、保温直缝钢管、pvc管发泡保温
- 主营：玻璃棉吸音板、离心玻璃棉卷毡、铝箔玻璃棉板、聚氨酯黑白料、屋顶隔热棉、超细纤维玻璃棉、玻璃棉保温管壳、玻璃棉针刺毡、出口玻璃棉、铝箔玻璃棉毡、憎水岩棉板、外墙岩棉、防火岩棉、隔音岩棉、铝箔岩棉板、插丝岩棉、砂浆复合岩棉板、岩棉毡、硅酸铝针刺毯、硅酸铝保温棉、橡塑保温板、橡塑管壳、自粘橡塑海绵、聚氨酯管壳、电梯井吸音板、无碱憎水纤维布
- 主营：矿用无压风门密闭门、拆缸机油缸拆装机、矿用防水密闭门避难硐室门、黑白料矿用封孔袋、全百叶窗无压风门、气相色谱仪、雾炮机、全自动顶空进样器、镀锌电缆挂钩、矿用防火栅栏门、钻孔应力计、T 型钢带W钢带、矿用卡绳器、内燃双头螺栓扳手、单体液压支柱拆柱机、电液推杆、斜井防跑车装置、矿用平板车、氢气发生器、阀柱实验台、电动卷扬机、燃气分析仪、空气发生器、机载临时支护装置、掘进机临时支护、拆缸机
- 主营：搬运气垫、高压软管、卷扬机、黑白料、螺旋千斤顶、高压清洗机、雾化消毒门、栏木机、洗靴机、速凝剂、密闭气囊、射流器、叉车吊臂、矿用门、变压器、破拆工具、手拉葫芦、翻车机、链轮组件、推车机、搬运坦克、酸碱喷射器、蒸汽喷射器、气固喷射器、张拉机具、临时支护
- 主营：防腐漆、地坪漆、真石漆、黑白料、氟碳漆、防锈漆、环氧漆、地面漆、绝缘涂料、氟碳面漆、环氧底漆、防火涂料、外墙涂料、防锈底漆、底漆面漆、无机涂料、防腐涂料、玻璃烤漆、氟碳涂料、聚脲涂料、环氧自流平、聚氨酯面漆、沥青改色漆、高性能涂料、聚氨酯清漆、外墙仿石漆
- 主营：岩棉板、岩棉管、聚氨酯板、黑白料、聚氨酯管、聚氨酯管壳、聚氨酯瓦壳、聚氨酯管托、橡塑板、橡塑管
- 主营：灾区电话、矿用救护、煤矿用钻机、黑白料、旧枕木、氧气呼吸器、氧气充填泵、井下自动隔爆装置 ZGJFH35型、ZDY1200S全液压坑道钻机、泥浆泵、注浆泵、快速密闭罐、矿用风机、CCZ-1000粉尘检测仪、氢氧化钙(二氧化碳吸收剂)、一氧化碳吸收剂、干燥剂、CD5多参数气体检测仪、空气呼吸器、气幕喷淋装置、矿用门、避难硐室门、矿用密闭门、防火门、车载甲烷断电仪
- 主营：异辛醇、乳化剂、乙烯醚、黑白料、醚羧酸、脂肪醇、分散剂、染色助剂、聚乙二醇、异构醇醚、泊洛沙姆、椰油酰胺、基羟乙基、烷基糖苷、特辛基酚、聚氧乙烯、嵌段聚醚、单油酸酯、异构十三醇、丙烯磺酸钠、氢化蓖麻油、丙烯酰胺基、醇醚葡糖苷、低泡渗透剂、甲酯乙氧基、癸基葡糖苷
- 主营：单体液压支柱、金属顶梁、尼龙柱鞋、黑白料、铁柱鞋、气动葫芦、除铁器、防跑车装置、玻璃钢支柱、锚杆、U型钢支架、隔爆水袋、电缆挂钩、道岔、马丽散、无压风门、防水密闭门、避难硐室门、防火栅栏门、风筒、圆环链、三环链、连接环、阻车器、矿车、平板车
- 主营：防水密闭门、无压风门、单体液压支柱、黑白料、油枕木、刮板机配件、双速绞车、隔膜泵、耙斗装岩机、风筒、压风自救装置、圆环链、金属顶梁、电机车、调度绞车、尼龙柱鞋、液力耦合器、托辊、翻斗式矿车、回柱绞车、风门、耙矿绞车、气动葫芦、隔爆水袋、给煤机
- 主营：单体液压支柱、气动葫芦、无压风门、黑白料、防水密闭门、防火栅栏门、避难硐室门、金属顶梁、扒渣机、托辊、刮板机整机、刮板、单开道岔、阀柱试验台、拆柱机、跑车防护装置、耙斗装岩机、矿车、风机、电机车、电子围栏、临时支护装置、U型钢支架、耙矿绞车、矿灯充电柜
- 主营：聚氨酯罐体保温喷涂、硬泡聚氨酯喷涂、聚氨酯外墙保温、黑白料、eps外墙装饰线条、无机喷涂棉纤维、超细无机纤维喷涂棉、外墙保温无机纤维、聚氨酯喷涂、聚氨酯保温喷涂、装饰线条、岩棉线条、APES线条、聚氨酯泡沫喷涂、无机纤维喷涂施工、无机纤维吸音喷涂、eps线条、岩棉装饰线条、外墙eps线条、玻璃纤维针刺毡、外墙线条、装饰造型线条、EPS造型线条、欧式线条