原车漆到底有多重要

原车漆确实非常重要,它具有出色的防酸雨、防高温等特性,同时,通过高精度的涂装工艺,可以充分发挥车漆的性能,最大限度地保护车身不受腐蚀,并使汽车的观感呈现出最佳效果。

原车漆的层次结构非常复杂,通常由五个涂层组成,某些情况下还会包含复合涂层,每个涂层都具有不可替代的作用。

Pre-Treatment磷化膜层:磷化是一种常用的前处理技术,通过化学和电化学反应形成磷酸盐化学转化膜,用于涂漆前打底,以提高漆膜层的附着力和防腐蚀能力。形成的磷化膜可以避免车身金属被腐蚀。

E-coat电泳层:经过磷化处理的车身,通过电泳方式进行底漆涂装。这层漆膜在经过烘烤炉烘干之后成为电泳层,提供基本的防腐蚀功能。

Primer中涂层:中涂层涂在电泳层上,具有防腐、防紫外线、保护电泳层的作用,并使车面更加平滑,为色漆提供更好的附着条件。

Basecoat/Color色漆层:色漆层涂在中涂层上,汽车车身的颜色即为色漆层所呈现的色相,同时具有一定的防腐保护功能。

OptionalMulticoat复合层:部分豪华车品牌会选择使用多层漆面进行复合配置,以得到特殊颜色的漆面。

Clearcoat清漆层:清漆层涂在色漆层上,具有一定的硬度,用以保护色漆层不受微小的刮擦,提升亮度并减缓色漆层褪色。

原车漆与后补漆相比:

1、原厂漆需经过200°C左右的高温多次烘干,所以只能在裸车架时完成施工。而后补漆只是对部分车身进行喷漆,需要考虑零部件的耐热性,高温漆用的烘烤温度为200°C,而后补漆只是50-80°C,这个差距非常大。

2、修补漆相比原厂漆,没有了钝化、磷化工序,增加了对防护没好处的原子灰工序。同时,为了实现低温固化,修补漆在最终性能上做了一些牺牲,在硬度、附着力和耐老化性能方面,都远远不如原厂车漆。

3、原厂车漆的施工原料远远优于后喷车漆,原厂车漆是完全的电脑精密调漆,不仅色泽艳丽、自然,而且寿命更长久。与后喷车漆相比,原厂车漆会形成完全不同的视觉效果,甚至色差极其明显。

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