采用乐泰预涂胶改进汽车放油塞的密封性

Improvement of sealing Quality of Motor Vehicle Oil Drain Plug by Means of Letai Preceating Glue

放油塞是汽车上最为常见的渗漏源之一。通过对目前放油塞常见密封形式的分析，提出采用乐泰预涂干膜密封剂的主法来改善其密封可靠性。并介绍了该密封剂的性能特点、涂布方法、设计要点及其在汽车生产中的实际应用情况。

Drain plug is one of the most common leaking source in motor vehicle. By analysisof common sealing form of current drain plng,the method of precoating Letai dry film sealing a-gent is recommended to inprore the reliability of sealing. Property and feature of the seoling a-gent,coating process,principal alesign points and application condition in motor vehicle productionare presenteol.