There are many types of elevator and elevator door cover applied to various buildings now. However, the color difference problem is likely to occur in the process of processing and using these products with various colors. This is a headache because it will not only damage the aesthetic appearance of door cover, but also reduce its protection effect. So, what are the methods to deal with the color difference problem of this kind of door pocket?

1、于色差处理办法的判别，用一个实验办法：将具有色差的两块样品放在清水中，待石材吸水之后调查，假如两块石材在水中的色彩变成了挨近或者相同，此刻只需选用长脸护理剂涂刷色彩较浅的石材即可。

1. For the discrimination of color difference treatment method, an experimental method is used: put the two samples with color difference in clear water, and investigate after the stone absorbs water. If the color of the two stones in the water becomes close or the same, at this moment, it is only necessary to use long face care agent to brush the stones with lighter color.

2、很多人反响在用长脸护理剂条色差的时分，会出现色彩发白，乃至出现色彩消失。事实上，长脸护理剂中的硅成分，在石材吸收之后，能够确保石材色彩在15年内不会发作太大的改变。

2. Many people respond that when using the color difference of long face care agent, the color will turn white and even disappear. In fact, the silicon component in the long face care agent can ensure that the stone color will not change much within 15 years after being absorbed by the stone.

硅成分的长脸护理剂在运用的时分，需求通过多次的测验，涂刷长脸护理剂，并非一蹴即至，而是要根据涂刷完之后，石材的色泽改变而决议是否继续涂刷，在每次涂刷等候长脸护理剂完全浸透的情况下，2遍以上，就能够坚持长久的运用作用。

When using the long face care agent with silicon composition, it needs to pass many tests. Brushing the long face care agent is not an instant, but to decide whether to continue brushing according to the color change of the stone after brushing. When each brushing is waiting for the long face care agent to be fully soaked, it can adhere to the long-term application effect more than twice.

3、通常情况下色彩均匀的电梯门套光面石材能够选用上色技能，假如是比较深、比较浅的色彩较纯的石材，等粒结构比较明显的花岗石，也能够选用上色技能。而色彩较为杂乱的毛面石材一定要留神运用上色技能。

3. Under normal circumstances, the smooth stone of elevator door cover with uniform color can choose coloring skills. If it is relatively deep and shallow, the stone with pure color, and granite with obvious grain structure, you can also choose coloring skills. The rough stone with messy colors must pay attention to the use of coloring skills.

现在电梯门套出现色差问题的处理方法主要就是染色、润饰、长脸等三种了，这三种方法各有各的技术含量需要技术人员掌握的，而技术人员想要保证恢复的效果比较好，就一定要认真仔细地学习和了解。

At present, the treatment methods of color difference in elevator door pocket are mainly dyeing, polishing and long face. These three methods have their own technical content and need to be mastered by technicians. If technicians want to ensure better recovery effect, they must study and understand them carefully.

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