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、于色差處理辦法的判別，用一個實驗辦法：將具有色差的兩塊樣品放在清水中，待石材吸水之后調查，假如兩塊石材在水中的色彩變成了挨近或者相同，此刻只需選用長臉護理劑涂刷色彩較淺的石材即可。

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、很多人反響在用長臉護理劑條色差的時分，會出現色彩發白，乃至出現色彩消失。事實上，長臉護理劑中的硅成分，在石材吸收之后，能夠確保石材色彩在15年內不會發作太大的改變。

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.

硅成分的長臉護理劑在運用的時分，需求通過多次的測驗，涂刷長臉護理劑，并非一蹴即至，而是要根據涂刷完之后，石材的色澤改變而決議是否繼續涂刷，在每次涂刷等候長臉護理劑完全浸透的情況下，2遍以上，就能夠堅持長久的運用作用。

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、通常情況下色彩均勻的電梯門套光面石材能夠選用上色技能，假如是比較深、比較淺的色彩較純的石材，等粒結構比較明顯的花崗石，也能夠選用上色技能。而色彩較為雜亂的毛面石材一定要留神運用上色技能。

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.

現在電梯門套出現色差問題的處理方法主要就是染色、潤飾、長臉等三種了，這三種方法各有各的技術含量需要技術人員掌握的，而技術人員想要保證恢復的效果比較好，就一定要認真仔細地學習和了解。

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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