Overview
Polyurea grease is a synthetic lubricant formulated with polyurea thickeners and high-quality base oils. It is renowned for its superior performance in demanding environments, particularly where high temperatures and water exposure are concerns. Unlike traditional lithium-based greases, polyurea grease does not melt or degrade easily under extreme conditions, making it a preferred choice for industrial and automotive applications. Developed as an advanced alternative to conventional lubricants, polyurea grease offers extended service intervals and reduced maintenance costs. Its unique chemical structure provides excellent oxidation stability and resistance to mechanical shear, ensuring reliable performance in high-speed and heavy-load applications.
Physical and Chemical Properties
Polyurea grease exhibits a smooth, homogeneous texture with a light yellow to brown appearance. Its density typically ranges between 0.95-1.05 g/cm³, and it remains stable at temperatures exceeding 200°C. The grease is insoluble in water but can dissolve in certain organic solvents, depending on the base oil used. One of its standout properties is its high dropping point, often above 250°C, which prevents melting and leakage in hot environments. Additionally, polyurea grease demonstrates excellent resistance to water washout and corrosion, making it suitable for applications exposed to moisture or harsh weather conditions.
Main Applications
Polyurea grease is extensively used in high-speed bearings, such as those found in electric motors, fans, and spindle assemblies. Its ability to withstand extreme temperatures and resist mechanical shear makes it ideal for applications where traditional greases fail. In the automotive sector, it is commonly applied in wheel bearings and chassis components. The food-grade variants of polyurea grease are certified for use in food processing machinery, where incidental contact with consumables may occur. Its non-toxic formulation and resistance to degradation make it a safe and reliable choice for such sensitive applications.
Safety and Storage
Polyurea grease is generally non-toxic and safe for industrial use, though prolonged skin contact should be avoided to prevent irritation. In case of contact, wash thoroughly with soap and water. The grease should be stored in a cool, dry place, away from direct sunlight and heat sources to maintain its properties. Containers should be kept tightly sealed to prevent contamination by dust or moisture. While polyurea grease is stable under normal conditions, exposure to strong oxidizing agents should be avoided to prevent chemical reactions that could compromise its performance.
B2B Procurement Guide
When procuring polyurea grease, B2B buyers should verify the product's specifications, including its temperature range, NLGI grade, and compatibility with existing lubricants. It is advisable to request technical data sheets and certificates of analysis from suppliers to ensure quality and performance standards are met. Bulk purchases often come with cost advantages, but buyers should assess storage capabilities to prevent spoilage. Partnering with reputable suppliers who offer after-sales support and technical guidance can help optimize the grease's application and longevity in specific industrial settings.
Related Manufacturers
- 主营：[]
- 主营：克鲁勃141、美孚460WT、福斯585k、福斯CLP320、美孚320WT、壳牌S4GX320
- 主营：加臭剂、四氢噻吩、气动上料器、全氟聚醚、处理净化装置
- 主营：LCP、PA66、PSU、润滑脂、TPEE、PEEK、PA12、PBT/ASA、PPSU、PPS、PC、PC/ABS、ABS、PTFE、特富龙
- 主营：除磷剂、消泡剂、除臭剂、聚醚脂、乳酸、絮凝剂、聚丙烯酰胺、葡萄糖、乙酸钠、聚合氯化铝、活性炭
- 主营：速干干膜润滑剂、抗咬合防卡剂、高真空密封硅脂、全氟聚醚润滑油、全氟聚醚润滑油脂、电子氟化冷却液、航空润滑油脂、疏水涂层涂料、-70至1400度润滑油脂、一比一平替进口品牌系列油脂、轴承润滑油脂、齿轮润滑油脂、螺丝螺栓润滑油脂
- 主营：润滑脂、汽车润滑脂、电机润滑脂、食品级润滑脂、轴承润滑脂、轨道润滑脂、全氟聚醚润滑脂、特种高端润滑脂厂家、齿轮润滑脂、干膜剂
- 主营：镍基防卡膏、高温防卡膏、螺纹锁固胶、高温润滑脂、全氟聚醚润滑脂、折叠屏铰链润滑脂、氟橡胶密封圈润滑脂、高温高速轴承润滑脂、瓦楞机轴承高温润滑脂、纺织链条高温润滑脂、低温润滑脂、密封润滑脂、速干性润滑剂、干性皮膜润滑剂、BOURIX SE-705B、科慕GPL227、摩力克HP-300、摩力克L-8030、乐泰263螺纹锁固胶、AB密封胶、哈维斯干膜润滑剂
- 主营：航空密封剂、航空胶粘剂、航空润滑油、航空润滑脂、航空液压油、航空冷却液、航空清洗剂、飞马2号润滑油、2号防护油、j-133胶粘剂、10号航空液压油、15号航空液压油、65号冷却液、中石化系列润滑油脂、中石油系列润滑油脂
- 主营：特种润滑油脂、克鲁勃、摩力克、摩力克润滑脂、THK油脂
- 主营：门轴、车修膨胀螺栓、活节螺栓、润滑脂、不锈钢地脚螺栓、钢结构螺栓、高强度螺栓、法兰螺栓、卡缆螺栓、U型螺栓、开槽圆螺母、油堵螺栓、钢筋套筒、合页、垫圈、铆钉、销轴、内六角扳手、预埋板、焊钉、开口销、套管、方斜垫、双头螺栓、圆柱销、不锈钢螺栓
- 主营：抗磨液压油、齿轮油、机油、润滑脂、变压器油、切削液、导热油、导轨油、汽轮机油、防锈油、淬火油、空气压缩机油、真空泵油、机械油、液力传动油、针织机油
- 主营：散热板、制冷剂、清洗剂、全氟聚醚、五氟丁烷、电子氟化液
- 主营：清洗剂、制冷剂、电子氟化液、全氟聚醚、氢氟醚、电子冷却液、导热液、电子检测液、正溴丙烷、反式二氯乙烯
- 主营：润滑脂、氟素润滑脂、感压纸
- 主营：电子胶粘剂、干性皮膜油、开关触点脂、高温润滑脂、轴承润滑脂、汽车润滑脂、食品级润滑脂、阻尼润滑脂、齿轮润滑脂、低温润滑脂、纳米防水剂