NDI Polyurethane Coated Wheels

many enterprises have an increasing demand for polyurethane coated materials that can withstand high loads, high temperatures, and have a long service life. However, traditional polyurethane materials (such as toluene diisocyanate (TDI) series polyurethanes and diphenylmethane diisocyanate (MDI) series polyurethanes) struggle to fully meet the actual needs of enterprises under high-load and high-load-bearing conditions. Frequent replacement of worn polyurethane parts not only increases production costs but also severely affects production efficiency and product stability. Against this backdrop, NDI-based polyurethane coated wheels have gradually emerged and demonstrated amazing unique advantages, becoming the preferred choice for special engineering use in high-load and high-temperature-resistant scenarios.NDI polyurethane uses 1,5-naphthalene diisocyanate (NDI) as the primary raw material. Its unique naphthalene ring molecular structure, along with the dual-chain structure of NDI and the benzene ring structure of MDI (as shown in the structural diagram), endows NDI-based polyurethanes with stronger rigidity. As a result, polyurethane coated wheels made from NDI-based polyurethane exhibit superior wear resistance and mechanical properties, effectively responding to the usage requirements of heavy-duty vehicles, monorail cranes, and other high-load, high-temperature environments.

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