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评价外部面漆在车辆使用条件下的性能,其最终标准是面漆能否经受得住冲击和自动洗车设备的洗刷等各种机械作用,以及耐清洗剂、燃料油等化学作用。尽管全部或部分车辆通常能立即进行实地涂漆试验,但有许多缺点,因此有必要研究车辆在使用条件下面漆的快速评价方法。根据现场空地试验的结果,采用在车体外部贴上Melinex薄膜-一种干净的在实验室里用于测定涂料遮盖力的聚酯薄膜的方
To evaluate the performance of exterior topcoats under vehicle conditions, the final criterion is whether the topcoats can withstand the impact of various mechanical effects such as impact and automatic car wash equipment scrubbing, as well as chemical effects such as cleaning agents and fuel oil. Although all or part of the vehicle usually has immediate on-site paint testing, there are a number of shortcomings. Therefore, it is necessary to study the rapid evaluation method of the vehicle under the conditions of use. According to the results of field tests, a thin film of Melinex, a clean, polyester film used to determine coating hiding power in the laboratory, was applied to the exterior of the car